[Python知识库]Python基础学习-10

Python基础学习-10

# if else

a = 1
b = 2
print(a == b)
print(a != b)
print(a < b)
print(a <= b)
print(a > b)
print(a >= b)
# If  retract
a = 33
b = 200
if b > a:
    print("b 大于 a")
a = 33
b = 33
if b > a:
    print("b 大于 a")
elif a == b:
    print("a 等于 b")
else:
    print("a 小于 b")

"""
and && 全部符合
or || 符合其中之一
"""

# nest
x = 5
if x > 6:
    print("1")
    if x > 3:
        print("2")
    else:
        print("3")
else:
    pass
# pass blank

# while
i = 1
while i < 6:
    print(i)
    if i == 2:
        i += 1
        continue
    if i == 3:
        break
    i += 1

# for circulation
fruits = ["apple", "banana", "cherry"]
for x in fruits:
    print(x)
for x in "banana":
    print(x)
# range()
for x in range(6):  # 0 - 5
    print(x)

adj = ["red", "big", "tasty"]
fruits = ["apple", "banana", "cherry"]

for x in adj:
    for y in fruits:
         print(x, y)