Python for loop - Can i skip an a number of iterations from condition set inside the loop?

Question

I have a for loop that iterates through a range, but I would like it to skip a number of iterations based on a condition. This is the code:

for i in range(1,100):

    if some_condition:
        i += some_number

What I am trying to accomplish: So let's say i=5 the some_condition is triggered and some_number=2, this would set i= 7, and then the next i that we iterate to will be 8, so we never iterate through 6 and 7. How can I do this?

Use a while loop instead. i = 1 while i < 100: ... i += 1 then you can adjust the value of i inside the loop — Nick
– Nick, Commented Mar 14, 2021 at 3:22

Jacob Lee · Accepted Answer · 2021-03-14 03:24:13Z

5

It might be easier to use a while loop:

increment = 2

i = 1
while i < 100:
    if some_condition:
        i += increment
    i += 1

Since a for loop reassigns the iterator to the next item in the iterable, whatever you do in the for clause has no effect on the iterator the next time the loop iterates.

edited Mar 14, 2021 at 3:24

answered Mar 14, 2021 at 3:23

Jacob Lee

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3 Comments

Jacob Lee Over a year ago

@Nick Good point. Actually, I think OP wanted i to increment by 1 even if the condition is True.

Kat Over a year ago

duh! a while loop! (after 14 hours of working on this program I am clearly losing my mind lol) thank you!

Jacob Lee Over a year ago

@Kat No problem! Happens to the best of us :)

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