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Python for the absolute beginner

P: 1
I need help with this challenge I have in a book I'm reading. I can't really understand the questions.

Improve the function ask_number()so that the function can be
called with a step value. Make the default value of step 1.

Here's the function
Expand|Select|Wrap|Line Numbers
  1. def ask_number(question, low, high):
  2.     """Ask for a number within a range."""
  3.     response = None
  4.     while response not in range(low, high):
  5.         response = int(input(question))
  6.     return response
Nov 1 '13 #1
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Expert Mod 2.5K+
P: 2,851
Expand|Select|Wrap|Line Numbers
  1. def ask_number(question, low, high, step=1):
  2.     response = None
  3.     while response not in range(low, high, step):
  4.         response = int(input(question))
  5.     return response
  7. if __name__ == "__main__":
  8.     print ask_number("Enter an even number between 0 and 20", 0, 21, step=2)
Nov 3 '13 #2

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