In fff In id fff Out 3074772504L In def ff print id print id fff In ff

In [3]: fff= "s"

In [4]: id(fff)
Out[4]: 3074772504L

In [5]: def ff(d):
   ...:     print id(d)
   ...:     print id(fff)
   ...:     

In [6]: ff(fff)
3074772504
3074772504

In [7]: