152. Python Program to Double a Number with try and except
Easytry and except
Overview
Your first try and except: catch a bad number instead of crashing.
Problem Statement
Read a whole number and print its double, like this for 21:
Double: 42
If the input is not a whole number (like abc or 2.5), don't crash. Print:
That is not a whole number
Use input() with no prompt text: the tests type the input for you, and a prompt would end up in your output.
Input
One value. Example:
21
Output
The output for that example:
Double: 42
The tests try 4 different inputs.