How do I call a function from another .py file?
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Chapters
00:00 How Do I Call A Function From Another .Py File?
00:21 Accepted Answer Score 877
00:50 Answer 2 Score 317
01:09 Answer 3 Score 102
01:30 Answer 4 Score 54
02:03 Thank you
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Full question
https://stackoverflow.com/questions/2030...
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Content licensed under CC BY-SA
https://meta.stackexchange.com/help/lice...
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Tags
#python #file #function #import
#avk47
ACCEPTED ANSWER
Score 877
First, import function from file.py:
from file import function
Later, call the function using:
function(a, b)
Note that file is one of Python's core modules, so I suggest you change the filename of file.py to something else.
Note that if you're trying to import functions from a.py to a file called b.py, you will need to make sure that a.py and b.py are in the same directory.
ANSWER 2
Score 317
Do not write .py when importing.
Let file_a.py contain some functions inside it:
def f():
return 1
def g():
return 2
To import these functions into file_z.py, do this:
from file_a import f, g
ANSWER 3
Score 102
Method 1. Import the specific function(s) you want from file.py:
from file import function
Method 2. Import the entire file:
import file as fl
Then, to call any function inside file.py, use:
fl.function(a, b)
ANSWER 4
Score 54
You can call the function from a different directory as well, in case you cannot or do not want to have the function in the same directory you are working. You can do this in two ways (perhaps there are more alternatives, but these are the ones that have worked for me).
Alternative 1 Temporarily change your working directory
import os
os.chdir("**Put here the directory where you have the file with your function**")
from file import function
os.chdir("**Put here the directory where you were working**")
Alternative 2 Add the directory where you have your function to sys.path
import sys
sys.path.append("**Put here the directory where you have the file with your function**")
from file import function