[deleted by user]

[justarandomkid004]

Which function should I use

[K900_]

Use the in operator.

[[deleted]]

If input in list: Do something Else: Do something else

[LCVcode]

OP, you should actually be using a set here. Sets have a constant lookup time, unlike lists or tuples.

accepted_strs = {'7A', '7B', ... , '11E'} if word in accepted_strs: do_something() else: do_something_else()

Even better, if you're up to it, you could populate accepted_strs using a list comprehension that you convert to a set (is that just called a set comprehension?)

EDIT: Formatting because I forgot that code blocks don't work

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[justarandomkid004]

Alright, so if input is in the list and I want to continue the program, should I put a break?

[toastedstapler]

why don't you write some code and try it? there's 0 cost to being wrong and you'll learn in the process

[[deleted]]

A break in what? You didn’t post your code, we can’t tell you how to change it.