I demonstrate how to perform input validation in Python using a while loop.
Here's the basic algorithm:
Ask for some input
while the input is something we don't like:
Tell the user there something wrong
Ask for the input again
Continue on with the rest of the program
// Check out a C++ version of this video:
• C+ + Tutorial: how to do input valid...
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Watch my Python play list:
• Playlist
Nested loops examples:
• Video
• Python Tutorial: Nested Loops
The Python for loop:
• Video
Introducing the while loop:
• Video
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