x=1; a=[1,2,3]

from aus import x,a
x=10; a[1]=77

import aus
print aus.x, aus.a
# 1 [1, 77, 3]
---------------------------------------
from aus import x,a

x=aus.x
a=aus.a
---------------------------------------
if __name__=='__main__':
  import B
  print B.g(3)

def f(x): return x*3-1
---------------------------------------
if __name__=='__main__':
  import A
  print A.f(5)

def g(x): return 2*x+6
---------------------------------------
print sys.executable
# c:\Python23\pythonw.exe