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#
Authors:
Y Daniel Lang
Chapter:
Programming
Exercise:
Programming Excercises
Question:22 | ISBN:978013274719 | Edition: 6

Question

(Population projection) Rewrite Exercise 1.11 to prompt the user to enter the number of years and displays the population after that many years. Here is a
sample run of the program:

Enter the number of years:5
The population in 5 years is 325932970
 

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Answer 

#Prompt the user to the number of years
Years=int(input('Enter the number of years: '))
#Calculate population projection
Population = int(312032487 + (((31536000 / 7) - (31536000 / 13)+ (31536000 / 45)) * Years))
#Display the result
print("The population in",Years,"years is", Population)

Output:

Enter the number of years: 5

The population in 5 years is 325932970

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