Search code examples
pythonimportglobal-variables

want to use the variable in this file not in the import one

Hey guys here is the problem that I have faced in my project. Here I use a simple example to explain it. When I try to run the main.py, I want to use the variable in this module not in the helper, but the output result is always 2 even when i delete the global variable "a". Is there any way without inputting the function argument? Hope someone can help :(

helper.py

a = 2
def test():
   print(a)

main.py

from helper import *

del globals()["a"]
if __init__ == "__main__":
    a = 10
    test()
Solution

  • You could just modify the attribute:

    main.py

    import helper

if __name__ == "__main__":
    helper.a = 10
    helper.test()

    Output:

    10

    Edit:

    You could try:

    helper.py

    a = [2]
def test():
   print(a[0])

    main.py

    from helper import *

if __name__ == "__main__":
    a.clear()
    a.append(10)
    test()

    Output:

    10