Chapter 5, Problem 54CRP

Program Plan Intro

Given code:

Difference = X-Y

if(Difference is positive):

print(‘X is bigger than Y’)

else:

print(‘Y is bigger than X’)

if and else statement:

• The “if” statement executes a block of program if a stated condition is true.
• If condition is false, program executes block of code under else statement.

Program segment:

• A program segment defines the validity of a program as well as the validity of set of instructions can be determined by checking expected output values for each input value.
• In the given function, input is the pair of positive integers $\text{X}$ and $\text{Y}$.