[Python] import global variable from an other file inside class in Python [closed]

i have problem with my global variable that needs to be set in a function (f1 in my example) and recovered as is in a second one (f2). the value of the global is set by f0, witch is not editable. I have to send global n value with f0

in my test i did in a single file

class mytest():
def f1(value):
global n
n = value
print('test f1 : '+n)

def f2():
print('test f2 : '+n)


def f0():
mytest.f1("5")
mytest.f2()
f0()


result is 5 for f1 and f2, as expected. now i split in 2 files (to reproduce my need. no choice here, it must be splitted)

file1

def f0():
file2.mytest.f1("5")


file2

class mytest:
def f1(value):
global n
n = value
print('test f1 : '+n)

def f2():
print('test f2 : '+n)


f2()


error is : name 'n' is not defined

f1 is always run first by the app, then f2 is called later I need f2 (and fX functions i need behind) to keep 'n' value from f1 i have read similar questions Accessing global variables from inside python functions

How can I access global variable inside class in Python

but those doesn't answer my question thank you

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