Python - Replacing Expressions in for loop

Question

My function myfunction needs custom classes as an input. I defined a lot of custom classes. I want to call myfunction with every definition of my custom classes. Is there an easy way to do this?

Basically I want to do something like this:

from custom_lib import Class_0,Class_1,....Class_100

for i in range(101):
    myfunction(Class_i)

and replace the i in the for loop so the functions gets called with all classes. Thanks in advance.

you could investigate eval? but maybe best to rethink what you're trying to achieve? thats a lot of classes! — bph
– bph, Commented Dec 3, 2019 at 9:53

Aryerez · Accepted Answer · 2019-12-03 09:56:32Z

2

Create a list of all the classes, and use it in the for:

class_list = [Class_0,Class_1,....Class_100] # Write the classes instead of ....
for cl in class_list:
    myfunction(cl)

answered Dec 3, 2019 at 9:56

Aryerez

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danr · Accepted Answer · 2019-12-03 10:02:12Z

2

import custom_lib
for cl in dir(custom_lib):
    if cl.startswith('Class_'):
        myfunction(getattr(custom_lib, cl))

answered Dec 3, 2019 at 10:02

danr

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