while loop including or " while DIF != 'Y' or 'N': "
1208
How to test multiple variables against a single value?
118993
What does "while True" mean in Python?
79050
Python ( or general programming ). Why use  instead of != and are there risks?
59878
When should I use "when" and "while"?
70938
What is the perfect counterpart in Python for "while not EOF"
119468
How do you create different variable names while in a loop?
40229
How do I check if a variable exists?
36929
Why does comparing strings using either '==' or 'is' sometimes produce a different result?
46181
How to bypass errors in arcpy for/while loop?
124492
Is there a regex quantifier that says "either x or y repeats"?
140585
Avoiding if statement inside a for loop?
95304
how to set a switch statement in while loop in java
53586
How can I type-check variables in Python?
122764
Test loops at the top or bottom? (while vs. do while)
64832
"do ... while" loop equivalent in Mathematica
56540
How to make loop infinite with "x = y && x != y"?
43364
Why is “while ( !feof (file) )” always wrong?