Can a while loop be inside a IF statement?

Using an if-else statement within a while loop Adding an if-else statement into our while loop is the same as adding it to our for loop. In our previous example, where 15 wins allowed us to make the playoffs, let’s add an if-else conditional. The if-else conditional will go between the brackets of the while loop.

Can you stack IF statements in Python?

Python supports multiple independent conditions in the same if block. Say you want to test for one condition first, but if that one isn’t true, there’s another one that you want to test. Then, if neither is true, you want the program to do something else. There’s no good way to do that using just if and else .

How do you use nested while loops?

A nested while loop is a while statement inside another while statement. In a nested while loop, one iteration of the outer loop is first executed, after which the inner loop is executed. The execution of the inner loop continues till the condition described in the inner loop is satisfied.

How do you break a nested while loop in Python?

Add a flag variable In the condition that the inner loop ends with break , set the flag to True , and in the outer loop, set break according to the flag.

When there are nested for loop the inner for loop is executed first?

A nested loop is a loop within a loop, an inner loop within the body of an outer one. How this works is that the first pass of the outer loop triggers the inner loop, which executes to completion. Then the second pass of the outer loop triggers the inner loop again.

Can I use while loop inside if loop?

If you have even one 0 in there then the condition will be false at the beginning and the while will not be executed. If the while were executed then because it the condition does not change and nothing in the body of the while changes any variable, the while would run infinitely.

How do you use nested loops?

The inner loop is nested inside the outer loop. Nested loops are useful when for each pass through the outer loop, you need to repeat some action on the data in the outer loop. For example, you read a file line by line and for each line you must count how many times the word “the” is found.

How do you stop a nested loop in Python?

There is also a way to avoid nested loops by itertools. product() . You can use itertools. product() to get all combinations of multiple lists in one loop, and you can get the same result as nested loops.