Question

Write a program that input a number and display its precessor and successor number using function.

Answer 1

def ask():

x = int(input("Pick a number: "))

p = x - 1

s = x + 1

print("The predecessor is {} and the successor is {}.".format(p, s))

ask()

Step-by-step explanation:

"def ask():" and everything indented defines the function and "ask" calls the function.