Jach Feng wrote:
I have two files: test.py and test2.py
--test.py--
x = 2
def foo():
print(x)
foo()
x = 3
foo()
--test2.py--
from test import *
x = 4
foo()
-----
Run test.py under Winows8.1, I get the expected result:
e:\MyDocument>py test.py
2
3
But when run test2.py, the result is not my expected 2,3,4:-(
e:\MyDocument>py test2.py
2
3
3
What to do?
`from test import *` does not link the names in `test2` to those in
`test`. It just binds objects bound to names in `test` to the same
names in `test2`. A bit like doing:
import test
x = test.x
foo = test.foo
del test
Subsequently assigning a different object to `x` in one module does not
affect the object assigned to `x` in the other module. So `x = 4` in
`test2.py` does not affect the object assigned to `x` in `test.py` -
that's still `3`. If you want to do that, you need to import `test` and
assign to `test.x`, for example:
import test
test.x = 4
test.foo()
--
Mark.
--
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