[Python知识库]计算机二级Python编程题记录

第一套

1

s = input("请输入一个字符串:")
print("{:*^30}".format(s))

2

a, b = 0, 1
while a<=50:
    print(a, end=',')
    a, b = b, a+b

3

import jieba
txt = input("请输入一段中文文本:")
ls= jieba.lcut(txt)
for i in ls[::-1]:
    print(i,end='')

4

import turtle
for i in range(3):
    turtle.seth(i*120)
    turtle.fd(100)

5

fo = open("PY202.txt", "w")
txt = input("请输入类型序列: ")
fruits = txt.split(" ")
d = {}
for fruit in fruits:
    d[fruit] = d.get(fruit, 0) + 1
ls = list(d.items())
ls.sort(key=lambda x: x[1], reverse=True)  # 按照数量排序
for k in ls:
    fo.write("{}:{}\n".format(k[0], k[1]))
fo.close()

6

fi = open("小女孩.txt", "r")
fo = open("PY301-1.txt", "w")
txt = fi.read()
d = {}
exclude = ", 。 ！ ？ 、 () 【】 《》 <> = : ：+-*__“”..."
for word in txt:
    if word in exclude:
        continue
    else:
        d[word] = d.get(word, 0) + 1
ls = list(d.items())
ls.sort(key=lambda x:x[1], reverse=True)

fo.write("{}:{}".format(ls[0][0], ls[0][1]))
fo.close()
fi.close()

fi = open("小女孩.txt", "r")
fo = open("PY301-2.txt", "w")
txt = fi.read()
d = {}

for word in txt:
    d[word] = d.get(word, 0) + 1
del d["\n"]

ls = list(d.items())
ls.sort(key=lambda x: x[1], reverse=True)

for i in range(10):
    fo.write(ls[i][0])
fi.close()
fo.close()

fi = open("小女孩.txt", "r")
fo = open("小女孩-频次排序", "w")
txt = fi.read()

d = {}

for word in txt:
    d[word] = d.get(word, 0) + 1
del d[" "]
del d["\n"]

ls = list(d.items())
ls.sort(key=lambda x: x[1], reverse=True)  # 此行可以按照词频由高到低排序

fo.write(",".join(ls))
fo.close()
fi.close()

第二套

1

import random

brandlist = ['三星','苹果','vivo','OPPO','魅族']
random.seed(0)
name = brandlist[random.randint(0,4)]
print(name)

2

import jieba
s = input("请输入一个字符串")
n = len(s) 
m = len(jieba.lcut(s))
print("中文字符数为{}，中文词语数为{}。".format(n, m))

3

n = eval(input("请输入数量："))
if n == 1:
    cost = 150
elif n >= 2 and n <= 3:
    cost = int(n * 150 * 0.9)
elif n >= 4 and n <= 9:
    cost = int(n * 150 * 0.8)
elif n >= 10:
    cost = int(n * 150 * 0.7)
print("总额为:", cost)

4

from turtle import *
for i in range(5):
   fd(200)
   right(144)

5

fo = open("PY202.txt", "w")
data = input("请输入一组人员的姓名、性别、年龄：")  # 姓名 年龄 性别
women_num = 0
age_amount = 0
person_num = 0
while data:
    name, sex, age = data.split(' ')
    if sex == '女':
        women_num += 1
    age_amount += int(age)
    person_num += 1
    data = input("请输入一组人员的姓名、性别、年龄：")
average_age = age_amount / person_num
fo.write("平均年龄是{:.1f} 女性人数是{}".format(average_age, women_num))
fo.close()

6

fi = open("PY301-vacations.csv", "r")
ls = []
for line in fi:
    ls.append(line.strip("\n").split(","))
s = input("请输入节假日名称：")
for line in ls:
    if s == line[1]:
        print("{}的假期位于{}-{}之间".format(line[1], line[2], line[3]))
fi.close()

fi = open("PY301-vacations.csv","r")
ls = []
for line in fi:
    ls.append(line.strip("\n").split(","))
s = input("请输入节假日序号:").split(" ")
while True:
    for i in s:
        for line in ls:
            if i == line[0]:
                print("{}({})假期是{}月{}日至{}月{}日之间".format((line[1]),(line[0]),line[2][:-2],line[2][-2:],line[3][:-2],line[3][-2:]))
    s = input("请输入节假日序号:").split(" ")
fi.close()

fi = open("PY301-vacations.csv","r")
ls = []
for line in fi:
    ls.append(line.strip("\n").split(","))
s = input("请输入节假日序号:").split(" ")
while True:
      for i in s:
            flag = False
            for line in ls:
                  if i == line[0]:
                        print("{}({})假期是{}月{}日至{}月{}日之间".format((line[1]),(line[0]),line[2][:-2],line[2][-2:],line[3][:-2],line[3][-2:]))
                        flag = True
            if flag == False:
                  print("输入节假日编号有误！")
      s = input("请输入节假日序号:").split(" ")
fi.close()

第三套

1

n = eval(input("请输入正整数:"))
print("{:@>30,}".format(n))

2

a = [11, 3, 8]
b = eval(input())  # 例如：[4,5,2]
s = 0
for i in range(3):
    s += a[i] * b[i]
print(s)

3

import random
random.seed(255)
for i in range(5):
    print(random.randint(1,50), end=" ")

4

import turtle
turtle.pensize(2)
d = 72
for i in range(5):
    turtle.seth(d)
    d += 72
    turtle.fd(200)

5

fo = open("PY202.txt", "w")
names = input("请输入各个同学行业名称，行业名称之间用空格间隔（回车结束输入）：")
names = names.split(" ")
d = {}
for name in names:
    d[name] = d.get(name, 0) + 1
ls = list(d.items())
ls.sort(key=lambda x: x[1], reverse=True)  # 按照数量排序
for k in ls:
    fo.write("{}:{}\n".format(k[0], k[1]))
fo.close()

6

fi = open("论语.txt", "r")
fo = open("论语-原文.txt", "w")
flag = False
for line in fi:
    if "【" in line:
        flag = False
    if "【原文】" in line:
        flag = True
        continue
    if flag == True:
        fo.write(line.lstrip())
fi.close()
fo.close()

fi = open("论语-原文.txt", ______)
fo = open("论语-提纯原文.txt", ______)
for line in fi:
    for i in range(1,23):
        line=line.replace("({})".format(i), "")
    fo.write(line)
fi.close()
fo.close()

第四套

1

ntxt = input("请输入4个数字(空格分隔):")
nls = ntxt.split(" ")
x0 = eval(nls[0])
y0 = eval(nls[1])
x1 = eval(nls[2])
y1 = eval(nls[3])
r = pow(pow(x1-x0, 2) + pow(y1-y0, 2), 0.5)
print("{:.1f}".format(r))

2

import jieba
txt = input("请输入一段中文文本:")
ls = jieba.lcut(txt)
print("{:.1f}".format(len(txt)/len(ls)))

3

n = eval(input("请输入一个数字:"))
print("{:+^11}".format(chr(n-1)+chr(n)+chr(n+1)))

4

import turtle
d = 0
for i in range(4):
    turtle.fd(200)
    d = d+90
    turtle.seth(d)

5

fo = open("PY202.txt", "w")
data = input("请输入课程名及对应的成绩：")  # 课程名 考分
course_score_dict = {}
while data:
    course, score = data.split(" ")
    course_score_dict[course] = eval(score)
    data = input("请输入课程名及对应的成绩：")
course_list = sorted(list(course_score_dict.values()))
max_score, min_score = course_list[-1], course_list[0]
average_score = sum(course_list) / len(course_list)
max_course, min_course = '', ''
for item in course_score_dict.items():
    if item[1] == max_score:
        max_course = item[0]
    if item[1] == min_score:
        min_course = item[0]
fo.write("最高分课程是{} {}, 最低分课程是{} {}, 平均分是{:.2f}".format(max_course, max_score, min_course, min_score, average_score))
fo.close()

6

fi = open("sensor.txt", "r")
fo = open("earpa001.txt", "w")
txt = fi.readlines()
for line in txt:
    ls = line.strip("\n").split(",")
    if " earpa001" in ls:
        fo.write('{},{},{},{}\n'.format(ls[0], ls[1], ls[2], ls[3]))
fi.close()
fo.close()

fi = open("earpa001.txt", "r")
fo = open("earpa001_count.txt", "w")
d = {}
for line in fi:
    split_data = line.strip("\n").split(",")
    floor_and_area = split_data[-2] + "-" + split_data[-1]
    d[floor_and_area] = d.get(floor_and_area, 0) + 1
    # if floor_and_area in d:
    #     d[floor_and_area] += 1
    # else:
    #     d[floor_and_area] = 1
ls = list(d.items())
ls.sort(key=lambda x: x[1], reverse=True)  # 该语句用于排序
for i in range(len(ls)):
    fo.write('{},{}\n'.format(ls[i][0], ls[i][1]))
fi.close()
fo.close()

第五套

s = eval(input("请输入一个数字："))
ls = [0]
for i in range(65,91):
    ls.append(chr(i))
print("输出大写字母：{}".format(ls[s]))

2

s = input("请输入一个十进制数：")
num = int(s)
print("转换成二进制数是：{:b}".format(num))

3

import jieba
s = input("请输入一个中文字符串，包含标点符号：")
m = jieba.lcut(s)
print("中文词语数：{}".format(len(m)))

4


谁?会这题

import turtle
turtle.color("red","yellow")
turtle.begin_fill()
for i in range(36):
    turtle.fd(200)
    turtle.left(170)
turtle.end_fill()

5

fo = open("PY202.txt","w")
def prime(num):
    #此处可以是多行代码
    for i in range(2, num):
        if num%i==0:
            return False
    return True
ls = [51,33,54,56,67,88,431,111,141,72,45,2,78,13,15,5,69]
lis = []
for i in ls:
    if prime(i) == False:
        lis.append(i)#此处为一行代码
fo.write(">>>{}，列表长度为{}".format(lis,len(lis)))
fo.close()

6

fi = open("arrogant.txt","r")
fo = open("PY301-1.txt","w")
txt = fi.read()
d = {}
for s in txt:
    d[s] = d.get(s,0)+1
del d["\n"]
ls =list(d.items())
for i in range(len(ls)):
    fo.write("{}:{}\n".format(ls[i][0],ls[i][1]))
fo.close()
fi.close()

fi = open("arrogant.txt","r")
fo = open("arrogant-sort.txt","w")
txt = fi.read()
d = {}
for s in txt:
    d[s] = d.get(s,0)+1
del d["\n"]
ls =list(d.items())
ls.sort(key=lambda x:x[1],reverse=True)
for i in range(10):
    fo.write("{}:{}\n".format(ls[i][0],ls[i][1]))
fi.close()
fo.close()

第六章

1

line = "After fresh rain in mountains bare "
print(line.title())

2

a = float(input("输入三角形第一条直角边长："))
b = float(input("输入三角形第二条直角边长："))
area = a*b*0.5
print("直角三角形的面积为：{:.1f}".format(area))

3

num = eval(input("输入数字："))
print("对应的二进制数：{0:b}\n八进制数：{0:o}\n十六进制数：{0:X}".format(num))

4

import turtle
turtle.color('black','yellow')
turtle.begin_fill()
turtle.circle(50)
turtle.end_fill()

5

def judge_year(year):
    if (year%4==0 and year%100!=0) or year%400==0:
        print(year,"年是闰年")
    else:
        print(year, "年不是闰年")
year = eval(input("请输入年份："))
judge_year(year)

6

fi = open("score.csv", "r")
fo = open("avg-score.txt", "w")
ls = []
x = []
sum = 0
for row in fi:
    ls.append(row.strip("\n").split(","))
for line in ls[1:]:
    for i in line[1:]:
        sum = int(i) + sum
        avg = sum / 3
    x.append(avg)
    sum = 0
fo.write("语文：{:.2f}\n数学：{:.2f}\n英语：{:.2f}\n物理：{:.2f}\n科学：{:.2f}".format(x[0], x[1], x[2], x[3], x[4]))
fi.close()
fo.close()

第七套

1

lis = [2,8,3,6,5,3,8]
new_lis = list(set(lis))
print(new_lis)

2

fruit = input('输入水果：')
lis = ['苹果','哈密瓜','橘子','猕猴桃','杨梅','西瓜']
if fruit in lis:
    print(fruit+"在列表lis中")
else:
    print(fruit+"不在列表lis中")

3

def str_change(str) :
    return str[::-1]
str = input("输入字符串：")
print(str_change(str))

4

import turtle
turtle.color("black","yellow")
turtle.begin_fill()
for i in range(5):
    turtle.fd(200)
    turtle.right(144)
turtle.end_fill()

5

lower = int(input('输入区间最小值：'))
upper = int(input('输入区间最大值：'))

for num in range(lower+1,upper):
    if num>1:
        for i in range(2,num):
            if(num%i)==0:
                break
        else:
            print(num)

6

fo = open("PY301-1.txt","w")
class Horse():
    def __init__(self, category, gender, age):
        self.category = category
        self.gender = gender
        self.age = age
    def get_descriptive(self):
        self.info = "一匹" + self.category + str(self.age) + "岁的" + self.gender + "马"
    def write_speed(self, new_speed):
        self.speed = new_speed
        addr = "在草原上奔跑的速度为"
        fo.write(self.info + "，" + addr + str(self.speed) + "km/h。")


horse = Horse("阿拉伯","公",12)
horse.get_descriptive()
horse.write_speed(50)
fo.close()

fo = open("PY301-2.txt","w")
class Horse():
    def __init__(self, category, gender, age):
        self.category = category
        self.gender = gender
        self.age = age
    def get_descriptive(self):
        self.info = "一匹" + self.category + str(self.age) + "岁的" + self.gender + "马"
    def write_speed(self, new_speed):
        self.speed = new_speed
        addr = "在草原上奔跑的速度为"
        fo.write(self.info + "，" + addr + str(self.speed) + "km/h。")
class Camel(Horse):
    def __init__(self, category, gender, age):
        super().__init__(category, gender, age)
    def write_speed(self,new_speed):
        self.speed = new_speed
        addr = "在沙漠上奔跑的速度为"
        fo.write(self.info.replace("马","骆驼") + "，" + addr + str(self.speed) + "km/h。")


camel = Camel("双峰驼","母",20)
camel.get_descriptive()
camel.write_speed(40)
fo.close()

第八套

1

animals = ['cow', 'duck', 'cat', 'dog']
animals.reverse()   # animals = animals[::-1]
print(animals)

2

word = "   窗前明月光，疑是地上霜。   "
print(word.strip())

3

count = 0
while count < 50:
    count+=1
    if count % 2 == 0:
        continue
    print(count,end=",")

4


???

import turtle
for i in range(4):
    turtle.seth(90*(i+1))
    turtle.circle(50,90)
    turtle.seth(90*(i-1))
    turtle.circle(50,90)
turtle.hideturtle()

5

import math
try:
    a = eval(input('请输入底数：'))
    b = eval(input('请输入真数：'))
    c = math.log(b, a)
except ValueError:
    if a<=0 and b>0:
        print("底数不能小于等于0")
    elif b<=0 and a>0:
        print("真数不能小于等于0")
    elif a<=0 and b<=0:
        print('真数和低数都不能小于等于0')
except ZeroDivisionError:
    print('底数不能为1')
except NameError:
    print('输入必须为实数')
else:
    print(c)

6

intxt = input("请输入明文：")
for p in intxt:
    if "a" <= p <= "z":
        print(chr(ord("a") + (ord(p) - ord("a") + 3)%26), end="")
    elif "A" <= p <= "Z":
        print(chr(ord("A") + (ord(p) - ord("A") + 3)%26), end="")
    else:
        print(p,end="")

第九套

1

while True:
    s = input("请输入信息：")
    if s=="Y" or s=="y":
        break

2

import calendar
year = int(input("请输入年份："))
table = calendar.calendar(year)
print(table)

3

s = input("请输入绕口令：")
print(s.replace("兵","将"))

4

5

fo = open("PY202.txt","w")
for i in range(1,10):
    for j in range(1,i+1):
        fo.write("{}*{}={}\t".format(j,i,i*j))
    fo.write("\n")
fo.close()

6

fi = open("关山月.txt","r")
fo = open("关山月-诗歌.txt","w")
for i in fi.read():
    if i == "。":
        fo.write("。\n")
    else:
        fo.write(i)
fi.close()
fo.close()

fi = open("关山月-诗歌.txt","r")
fo = open("关山月-反转.txt","w")
txt = fi.readlines()
txt.reverse()
for line in txt:
    fo.write(line)
fi.close()
fo.close()

第十套

1

data = eval(input("请输入一组数据，以逗号分隔："))
print(max(data))

2

import jieba
s = "一件事情没有做过，就没有资格对此事发表看法"
ls = jieba.lcut(s)
print(ls)

3


这题不会

import time
t = time.localtime()
print(time.strftime("%Y年%m月%d日%H时%M分%S秒",t))

4


有点东西

for i in range(0, 4):
    for y in range(0, 4 - i):
        print(" ", end="")
    print("* " * i)
for i in range(0, 4):
    for x in range(0, i):
        print(" ", end="")
    print("* " * (4 - i))

5

from turtle import *
pensize(5)
for i in range(6):
    fd(100)
    right(60)
color("red")
circle(60,steps=6)

6

import random

letter_list = ['a', 'b', 'c', 'd', 'e', 'f', 'g',
               'h', 'i', 'j', 'k', 'l', 'm', 'n',
               'o', 'p', 'q', 'r', 's', 't',
               'u', 'v', 'w', 'x', 'y', 'z']
letter = letter_list[random.randint(0, 25)]
count = 0
while True:
    a = input("请输入猜测的字母：")
    count += 1

    if a not in letter_list:
        print("请重新输入字母：")
    else:
        if count >= 5:
            print("你答错了5次，结束游戏！")
            break
        elif a > letter:
            print("输入的字母在答案之后")
            continue
        elif a < letter:
            print("输入的字母在答案之前")
            continue
        elif a == letter:
            print("恭喜你答对了！共回答了{}次".format(count))
            break

第十一套

1

f = open("poem.txt","r")
result = []
for line in f.readlines():
    line = line.strip("\n")
    if len(line) != 0 and line[0] != "#":
        result.append(line)
result.sort()
for line in result:
    print(line)
f.close()

2

a = []
for i in range(8):
    a.append([])
    for j in range(8):
        a[i].append(0)
for i in range(8):
    a[i][0] = 1
    a[i][i] = 1
for i in range(2,8):
    for j in range(1,i):
        a[i][j] = a[i-1][j-1]+a[i-1][j]
for i in range(8):
    for j in range(i+1):
        print("{:3d}".format(a[i][j]),end=" ")
    print()

3

def proc(strings):                     
    m = 0
    lst = []
    for i in range(len(strings)):
        if len(strings[i]) > m:
            m = len(strings[i])
    for i in range(len(strings)):
        if len(strings[i]) == m:
            lst.append(strings[i])
    return lst


strings = ['cad' ,'VB', 'Python', 'MATLAB', 'hello', 'world']
result = proc(strings)
print("the longest words are:")
for item in result:
    print("{: >25}".format(item))

4

strings = {'cad', 'PE ', 'Window', 'FM', 'hello', 'world','flowers'}
n=0
for word in strings:
    if word.islower():
        n += 1
print(n) 

5

def proc(stu_list):
    d = {}
    for item in stu_list:
        r = item.split("_")
        a,b = r[0],r[1].strip()
        if a in d:
            d[a] += [b]
        else:
            d[a] = [b]
    lst = sorted(d.items(), key = lambda d:len(d[1]), reverse = True)
    return lst

f = open("signup.txt","r")        
stu_list = f.readlines()
result = proc(stu_list)
for item in result:
    print(item[0], '->', item[1])
f.close()

6

d = {"lili": 80, "xiaoqiang": 75, "yunyun": 89, "yuanyuan": 90, "wanghao": 85}
d_sort = sorted(d.items(), key=lambda x: x[1], reverse=True)
for i in range(3):
    print(d_sort[i][0] + " " + str(d_sort[i][1]))

第十二套

1

num = input().split(",")
for i in num:
    print("{:>10}".format(i),end='')

2

scale = 0.0001  # 成就值增量

def calv(base, day):
    val = base * pow(1+scale,day*11)
    return val

print('5年后的成就值是{}'.format(int(calv(1, 5*365))))
      
year = 1
while calv(1, year*365) < 100:
    year += 1
    
print('{}年后成就值是100'.format(year))

3

while True:
    try:
        a = eval(input('请输入一个正整数: '))    
        if a > 0 and type(a)==int:
            print(a)
            break
        else:
            print("请输入正整数")
    except:
        print("请输入正整数")

4

import turtle as t
ls = [69, 292, 33, 131, 61, 254]
X_len = 400
Y_len = 300
x0 = -200
y0 = -100

t.penup()
t.goto(x0, y0)
t.pendown()

t.fd(X_len)
t.fd(-X_len)
t.seth(90)
t.fd(Y_len)

t.pencolor('red')
t.pensize(5)
for i in range(len(ls)):
    t.penup()
    t.goto(x0 + (i+1)*50, -100)
    t.seth(90)
    t.pendown()
    t.fd(ls[i])
t.done()

5

import random
random.seed(2)

pdict = {'Alice': ['123456789'],
         'Bob': ['234567891'],
         'Lily': ['345678912'],
         'Jane': ['456789123']}

name = input('请输入一个人名:')
plist = list(pdict)
if name in plist:
    print(name, pdict.get(name)[0], random.randint(1000,9999))
else:
    print("对不起，您输入的用户信息不存在。")

6

import jieba


def fenci(txt):
    f = open(txt, "r")
    datas = f.read()
    f.close()
    data = jieba.lcut(datas)
    d = {}
    for i in data:
        if len(i) >= 2:
            d[i] = d.get(i, 0) + 1
    lt = list(d.items())
    lt.sort(key=lambda x: x[1], reverse=True)
    return lt


def show(lt):
    for i in lt[:9]:
        print(i[0], ":", i[1], end=',',sep="")
    print(lt[9][0], ":", lt[9][1],sep="")


l1 = fenci("data2018.txt")
l2 = fenci("data2019.txt")
print(2019, end=':')
show(l2)
print(2018, end=':')
show(l1)

import jieba


def fenci(txt):
    f = open(txt, "r")
    datas = f.read()
    f.close()
    data = jieba.lcut(datas)
    d = {}
    for i in data:
        if len(i) >= 2:
            d[i] = d.get(i, 0) + 1
    lt = list(d.items())
    lt.sort(key=lambda x: x[1], reverse=True)
    ls = [x[0] for x in lt[:10]]
    return ls


def show(lt):
    print(','.join(lt))


l1 = fenci("data2018.txt")
l2 = fenci("data2019.txt")
l3 = []
for i in l1:
    if i in l2:
        l3.append(i)
for i in l3:
    l1.remove(i)
    l2.remove(i)
print("共有词语:", end='')
show(l3)
print('2019特有:', end='')
show(l2)
print('2018特有:', end='')
show(l1)

第十三套

1

n = input('请输入一个正整数:')
for i in range(1,eval(n)+1):
    print('{:0>2}{}'.format(i, '>'*i))

2

ns = input("请输入一串数据：")
dnum,dchr = 0,0
for i in ns:
    if i.isnumeric():
        dnum += 1
    elif i.isalpha():
        dchr += 1
    else:
        pass
print('数字个数：{}，字母个数：{}'.format(dnum, dchr))

3

std = [['张三',90,87,95],['李四',83,80,87],['王五',73,57,55]]
modl = "亲爱的{}, 你的考试成绩是: 英语{}, 数学{}, Python语言{}, 总成绩{}.特此通知."

for st in std:
    cnt = 0
    for i in range(1,4):
        cnt += st[i]
    print(modl.format(st[0],st[1],st[2],st[3],cnt))

4

import turtle as t
import random as r
color = ['red','orange','blue','green','purple']
r.seed(1)
for i in range(5):
    rad = r.randint(20,50)
    x0 = r.randint(-100,100)
    y0 = r.randint(-100,100)
    t.color(r.choice(color))
    t.penup()
    t.goto(x0,y0)
    t.pendown()
    t.circle(rad)
t.done()

5

img = [0.244, 0.832, 0.903, 0.145, 0.26, 0.452]
filter = [0.1,0.8,0.1]
res = []
for i in range(len(img)-2):
    k = 0
    for j in range(len(filter)):
        k += filter[j] * img[j+i]
        print("k={:.3f} ,filter[{}]={:.3f} ,img[{}{}{}]={:.3f}".format(k,j,filter[j],i,'+',j,img[i+j]))
    res.append(k)
for r in res:
    print('{:<10.3f}'.format(r),end = '')

6

import jieba
fi = open("data.txt","r",encoding='utf-8')
data = fi.read()
fo = open("clean.txt","w")
s = ''
except_word = "，。？、‘’“”；：（）\n--！"
for i in data:
    if i not in except_word:
        s += i
fo.write(s)
fi.close()
fo.close()

import jieba
fi = open("clean.txt", "r")
data = fi.read()
words = jieba.lcut(data)
d = {}
for word in words:
    if len(word)>=3:
        d[word] = d.get(word, 0) + 1
lt = list(d.items())
lt.sort(key=lambda x: x[1], reverse=True)
for i in lt[:9]:
    print(i[0], ":", i[1], end=',', sep='')
print(lt[9][0], ":", lt[9][1], sep='')
fi.close()

第十四套

1

s = input()
print("{:\"^30x}".format(eval(s)))

2

n = input()
s = "〇一二三四五六七八九"
for c in "0123456789":
     n = n.replace(c, s[eval(c)])
print(n)

3

a, b, c = [eval(x) for x in input().split(",")]
ls = []
for i in range(c):
    ls.append(str(a*(b**i)))
print(",".join(ls))

4

import turtle
turtle.pensize(2)
for i in range(4):
    turtle.fd(200)
    turtle.left(90)
turtle.left(-45)
turtle.circle(100*pow(2,0.5))

5

while True:
    s = input("请输入不带数字的文本:")
    for i in s:
        if i in '0123456789':
            break
    else:
        break
print(len(s))

6

fi = open("data.txt", "r")
f = open("univ.txt", "w")
L = []
lines = fi.readlines()
for line in lines:
    if 'alt=' in line:
        begin = line.find('alt=')
        end = line.find('"', begin + 5)
        L.append(line[begin + 5:end])
for i in L:
    f.write(i + "\n")
fi.close()
f.close()

# 请在______处使用一行或多行代码替换
#
# 注意：其他已给出代码仅作为提示，可以修改

f = open("univ.txt", "r")
n = 0   # 包含大学的名称数量
m = 0
L = []
names = f.readlines()
for name in names:
    name = name.strip("\n")
    if "大学生" not in name:
        if "大学" in name:
            L.append(name)
        elif "学院" in name:
            L.append(name)
for name in L:
    if name[-2:] == "学院":
        m += 1
    else:
        n += 1
    print(name)

f.close()
print("包含大学的名称数量是{}".format(n))
print("包含学院的名称数量是{}".format(m))

第十五套

1

n = eval(input("请输入正整数:"))
print("{:=^14}".format(n))

2

a = [3, 6, 9]
b = eval(input())  # 例如：[1,2,3]
j = 1
for i in range(len(a)):
    b.insert(j, a[i])
    j += 2
print(b)

3

import random

random.seed(100)  # 此处可多行
s = 0   
for i in range(3):
    a = random.randint(1, 9)
    s += a ** 3
print(s)

4

import turtle
turtle.pensize(2)
d = 0
for i in range(1, 6):
    turtle.fd(100)
    d += 72
    turtle.seth(d)

5

f = open("vote.txt")
names = f.readlines()
f.close()
n = 0
for name in names:
    num = len(name.split())
    if num == 1:
        n += 1
print("有效票{}张".format(n))

f = open("vote.txt")
names = f.readlines()
f.close()
L = []
for name in names:
    num = len(name.split())
    if num == 1:
        L.append(name.strip("\n"))
d = {}

for name in L:
    d[name] = d.get(name,0) + 1
ls = list(d.items())
ls.sort(key=lambda x:x[1], reverse=True) # 此行可以按照词频由高到低排序

print("{}:{}".format(ls[0][0],ls[1][1]))

6

# 请在...处使用多行代码替换
#
# 注意：其他已给出代码仅作为提示，可以修改

import jieba
fi = open("data.txt", "r")
f = open('out1.txt', 'w')
txt = fi.read()
words = jieba.lcut(txt)
words = list(set(words))
for word in words:
    if len(word)>=3:
        f.write(word+"\n")
fi.close()
f.close()

import jieba

fi = open("data.txt", 'r')
fo = open('out2.txt', 'w')
txt = fi.read()
words = jieba.lcut(txt)
d = {}
for word in words:
    if len(word) >= 3:
        d[word] = d.get(word, 0) + 1
ls = list(d.items())
ls.sort(key=lambda x: x[1], reverse=True)  # 此行可以按照词频由高到低排序
for i in ls:
    a = i[0]+":"+str(i[1])
    fo.write(a+"\n")
fi.close()
fo.close()

第十六套

1

s = input("请输入一个正整数: ")
cs = 0
for c in s:
    cs += eval(c)
print('{:=^25}'.format(cs))

2

s = input("请输入中文和字母的组合: ")
count = 0
for c in s:
    if '\u4e00' <= c <= '\u9fff':
        count += 1
print(count)

3

s = input("请输入一组数据: ")
ls = s.split(',')
lt = []
for i in ls:
    lt.append(eval(i))
print(max(lt))

4

import turtle as t
import random as r

r.seed(1)
t.pensize(2)
t.pencolor('red')
angles = 6
points= [[0,0],[50,40],[70,80],[-40,30]]

for i in range(4):
    x0,y0 = points[i]
    t.penup()
    t.goto(x0,y0)
    t.pendown()

    length = r.randint(6, 16)
    for j in range(angles):
        t.fd(length)
        t.backward(length)
        t.right(360 / angles)
t.done()

5

f = open('data.txt','r')
dic={}
for line in f:
    l=line.strip().split(',')
    if len(l)<3:
        continue
    dic[l[-1]]=dic.get(l[-1],[])+[l[1]]
unis=list(dic.items())
unis.sort(key=lambda x:len(x[1]),reverse=True)
for d in unis:
print('{:>4}: {:>4} : {}'.format(d[0],len(d[1]),' '.join(d[1]))) 

6

import jieba

f = "红楼梦.txt"
sf = "停用词.txt"
f1 = open(f, "r", encoding='utf-8')
datas = f1.read()
f1.close()
f2 = open(sf, "r", encoding='utf-8')
words = f2.read()
f2.close()
data = jieba.lcut(datas)
d = {}
word = ["一个", "如今", "一面", "众人", "说道", "只见", "不知",
        "两个", "起来", "二人", "今日", "听见", "不敢", "不能",
        "东西", "只得", "心中", "回来", "几个", "原来", "进来",
        "出去", "一时", "银子", "起身", "答应", "回去"]
for i in data:
    if len(i) < 2 or i in words or i in word:
        continue
    if i in ['凤姐', "凤姐儿", "凤丫头"]:
        i = "凤姐"
    elif i in ["宝玉", "二爷", "宝二爷"]:
        i = "宝玉"
    elif i in ["黛玉", "颦儿", "林妹妹", "黛玉道"]:
        i = "黛玉"
    elif i in ["宝钗", "宝丫头"]:
        i = "宝钗"
    elif i in ["贾母", "老祖宗"]:
        i = "贾母"
    elif i in ["袭人", "袭人道"]:
        i = "袭人"
    elif i in ["贾政", "贾政道"]:
        i = "贾政"
    elif i in ["贾琏", "琏二爷"]:
        i = "贾琏"
    d[i] = d.get(i, 0) + 1
l = list(d.items())
l.sort(key=lambda x: x[::-1], reverse=True)
f = open("result.csv", "w")
for i in l:
    if i[1] < 40:
        break
    f.write(i[0] + ',' + str(i[1]) + '\n')
f.close()

第十七套

1

s = input("请输入一个小数: ")
s = s[::-1]
cs = 0
for c in s:
    if c == '.':
        break
    cs += eval(c)
print('{:*>10}'.format(cs))

2

import time
t = input("请输入一个浮点数时间信息: ")
s = time.ctime(eval(t))
ls = s.split()
print(ls[3].split(':')[0])

3

import random

s = input("请输入随机种子: ")
ls = []
for i in range(26):
    ls.append(chr(ord('a')+i))
for i in range(10):
    ls.append(chr(ord('0')+i))
    
random.seed(eval(s))
for i in range(10):
    for j in range(8):
        print(ls[random.randint(0,35)],end='')
    print()

4

import turtle as t
import random as r
r.seed(1)
t.pensize(2)
for i in range(3):
    length = r.randint(20,80)
    x0 = r.randint(-100, 100)
    y0 = r.randint(-100, 100)

    t.penup()
    t.goto(x0,y0)
    t.pd()
    for j in range(4):
        t.fd(length)
        t.seth(90*(j+1))
t.done()

sumtime = 0
percls = []
ts = {}
with open('out.txt', 'r') as f:
    for i in f:
        i = i.strip().split(',')
        ts[i[0]] = i[2]
        sumtime += eval(i[1])
print('the total execute time is ', sumtime)

tns = list(ts.items())
tns.sort(key=lambda x: x[1], reverse=True)
for i in range(3):
    print('the top {} percentage time is {}, spent in "{}" operation'.format(i, tns[i][1], tns[i][0]))

6

f = open("八十天环游地球.txt")
fo = open("八十天环游地球-章节.txt","w")
txt = f.readlines()
for line in txt:
    line = line.strip()
    if line[0]=="第" and line[2]=="章":
        fo.write(line+"\n")
fo.close()
f.close()

import jieba

f = open("八十天环游地球.txt")
datas = f.readlines()
l = []
for i in range(len(datas)):
    if datas[i][0] == "第" and datas[i][2] == "章":
        l.append(i)   # 每章节所在索引
    # line = datas[i].split(' ')
    # if datas[i][0] == "第" and "章" in line[0]:
    #     l.append(i)

for i in range(len(l)):
    if i != len(l) - 1:   # 最后一章节
        data = ''.join(datas[l[i]:l[i + 1]])
    else:
        data = ''.join(datas[l[i]:])
    s = data.split()[0]   # 第几章
    words = jieba.lcut(data)
    d = {}
    for y in words:
        if len(y) < 2:
            continue
        d[y] = d.get(y, 0) + 1
    lis = list(d.items())
    lis.sort(key=lambda x: x[1], reverse=True)
    print(s, lis[0][0], lis[0][1])
f.close()

新增1

1

s=input()
print("{:=>25,}".format(eval(s)))

2

s=input()
print(s[::-1])
print(len(s))

3

a, b, c = [int(x) for x in input().split(',')]
ls = []
for i in range(c):
    ls.append(a + (i * b))
print(ls)

4

import turtle
turtle.pensize(2)
d=0
for i in range(1, 13):
    turtle.fd(40)
    d += 30
    turtle.seth(d)

5

ls = [111, 222, 333, 444, 555, 666, 777, 888, 999]
lt = [999, 777, 555, 333, 111, 888, 666, 444, 222]
s = 0
for i in range(len(ls)):
    s += ls[i]*lt[i]
print(s)

6

L = []
fo = open("score.txt", "r")
fi = open("candidate0.txt", "w")
lines = fo.readlines()
for line in lines:
    line = line.strip()
    student = line.split(' ')
    sum = 0
    for i in range(1, 11):
        sum += int(student[-i])
    student.append(str(sum))
    L.append(student)
L.sort(key=lambda x: x[-1], reverse=True)
for i in range(10):
    fi.write(' '.join(L[i][:-1]) + '\n')
fo.close()
fi.close()

fi = open("candidate0.txt", "r")
fo = open("candidate.txt", 'w')
L = []
lines = fi.readlines()
for line in lines:
    line = line.strip()
    student = line.split(' ')
    for i in student[2:]:
        if int(i) < 60:
            break
    else:
        L.append(student[:2])
for i in L:
    fo.write(' '.join(i) + '\n')
fi.close()
fo.close()

新增2

1

n = eval(input("请输入正整数:"))
print("{:*>15}".format(n))

2

a = [3,6,9]
b =  eval(input()) #例如：[1,2,3]
c = []
for i in range(3):
    c.append(a[i]+b[i])
print(c)

3

import random
random.seed(0)
s = 0
for i in range(5):
    n = random.randint(1,97)  # 产生随机数
    s = s + n**2
print(s)

4

import turtle
turtle.pensize(2)
d = 0
for i in range(1, 9):
    turtle.fd(100)
    d += 45
    turtle.seth(d)