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Ex 1.8 (pt.4) I can't figure out how to stay IN a while loop on an incorrect input by the user. I kept having the loop stop, or go on for ever. In the end i just used a recursive function! (but we've not covered functions yet..so thats a bit like cheating!)

MIT 6.189 A Gentle Introduction to Programming Using Python (OCW)
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Hi there, What i did was to set a variable equal to 1 and then took user input into that var. Then my while loop was simply: while var % 2 != 0: var = input ("please type an even number : ") Hope this helps.
@andrew.m.higgs Thanks Andrew. Worked just fine! I couldn't quite get my head around looping back upon a False input. I kept thinking "surely it needs another condition to test against?" But your reply showed me how simple it was! :0)
Pleasure. :-)

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