Section2.1

Celsius=eval(input("Enter a degree in Celsius:"))
Fahrenheit=(9/5)*Celsius+32
print(Celsius, "Celsius is", Fahrenheit, "Fahrenheit")

?Section2.6

num=eval(input("Enter a number between 0 and 1000:"))
a=num%10
b=(num//10)%10
c=(num//10)//10
sum=a+b+c
print("The sum of the digits is", sum)

Section2.11

finalAccountValue = eval(input("Enter final account value:"))
monthlyInterestRate = eval(input("Enter annual interest rate in percent:"))
numberOfMonths = eval(input("Enter number of years:"))
initialDepositAmount = finalAccountValue / (1 + monthlyInterestRate/12/100)**(numberOfMonths*12)
print("Initial deposit value is", initialDepositAmount)

?Section2.16

v0, v1, t = eval(input("Enter v0,v1, and t:"))
a = (v1 - v0) / t
print("The average acceleration is ", a)

?Section2.21

savingAmount = eval(input("Enter the monthly amount:"))
sum = 0
for i in range(0,6):
    i=i+1
    sum=(savingAmount+sum)*(1+0.00417)
print("After the sixth month, the account value is:", sum)

?Section2.23

import turtle
r = eval(input("Enter the radius:"))
turtle.penup()
turtle.goto(r, r)
turtle.pendown()
turtle.circle(r)

turtle.penup()
turtle.goto(-r, r)
turtle.pendown()
turtle.circle(r)

turtle.penup()
turtle.goto(-r, -r)
turtle.pendown()
turtle.circle(r)

turtle.penup()
turtle.goto(r, -r)
turtle.pendown()
turtle.circle(r)

turtle.done()

?Section2.26

x, y = eval(input("Enter the center:"))
radius = eval(input("Enter the radius:"))
area = 3.14 * radius * radius

import turtle
turtle.penup()
turtle.goto(x, y)
turtle.pendown()
turtle.write(area)
turtle.penup()
turtle.goto(x, y - radius)
turtle.pendown()
turtle.circle(radius)
turtle.hideturtle()
turtle.done()