age100.py

#!/usr/bin/python3

name = input("Please enter your name:\n >")
age = int(input("Please enter your age:\n >"))

def age100(age):

   turn = 100 - age + 2018

   return turn

turn = age100(age)

message = 'Hello %s, your age is %d year old and you will turn 100 year old in the year %d' %(name, age, turn)
print(message)