If you know how many times to run a block of code, use FOR loop instead of WHILE loop! It's easier and better!
Link to Online Python IDE: http://repl.it/languages/python3
On this page of the site you can watch the video online One Minute Python 008 - For Loop in Python with a duration of hours minute second in good quality, which was uploaded by the user Programmer Space 17 February 2017, share the link with friends and acquaintances, this video has already been watched 573 times on youtube and it was liked by 6 viewers. Enjoy your viewing!