Why Is My While Loop Not Working Python

Yes, I'm a Python newbie, and I just never have my while loop running at one go. Using an example, I'll discuss common errors I and some other Python programmers make while creating While Loops. Uninitialised Variables. Just before your While Loop, you have to assign an initial value to your variable. This means you are initialising the

There is a new problem however where it seems like the while conditions work rightit skips the 1st list but then once the nested for loop ends its first full cycle the while loop ignores the conditions and doesn't care to repeat, or even initialize for the 3rd list.

while answer is 'y', while loop triggers, for loop executes, and all numbers in user_str get added to sum. It asks quotAdd another?quot, and if you hit 'y', the loops both happen again, and you'll get asked again. Every time you hit 'y', it will go through both loops and ask you again. This will happen both times you call sum_digits in main. I just

Remember that variable i is global. The while loop is not run because the condition is not met. After the running the for loop the value of variable i is 5, which is greater than three. To fix this you should reassign the value before running the while loop simply add var i1 between the for loop and the while loop.

The function is not indented, and doesn't have the while line above it, therefore it isn't inside the loop. A function can be called from multiple places - that's the point . Therefore, it doesn't and shouldn't normally care about where it was called from, and certainly can't directly change the control flow of that other code.

When you do quotYquot or quotYESquot, it will return quotYquot as A or B is defined to return A if A is not false. Here, A is quotYquot which is not a False value. So, it will return AquotYquot. If you do if a quotYquot or quotYESquot, il will be equivalent to if a quotYquot. Ok it's a bit tricky but it's how python works. Moreover, your code is very strange.

You could fix what I suspect is your issue by moving something around, but is there a reason why you are using a while loop instead of a for loop? 1 Like. Jagaya When I moved the num2 initialization to inside the first while loop it started working. my code now import time start_time time.time product 0 num1 100 palindromes

While Loop Flowchart While Loop. The while loop will continue running the code block as long as the condition evaluates to True. Each time the loop executes, the condition is checked again. If it is True, the loop continues if it is False, the loop terminates, and the program moves to the next statement after the loop. Infinite while Loop in

Aug-18-2020, 0149 PM mcoliver88 Wrote Aug-18-2020, 0146 PM Cryptus Wrote because after you give homework yes and dinner no the while function isnt true anymore and it jumps to your else function Thanks for the advice. I am new to Python, so what's the best way to solve this? I thought that the conditions would need to be satisfied in order for the loop to be marked as completed.

Unlike for loops, which iterate over a predefined sequence, while loops continue running until the condition becomes false. Basic Syntax. The basic syntax of a while loop is straightforward while condition Code block to execute Statements Simple Example. Here's a basic example to demonstrate how a while loop works