__author__="tomcl"
__date__ ="$03-Aug-2009 09:51:16$"
from collections import defaultdict

if __name__ == "__main__":
    print "This module tests a bug in defaultdict shallow copy";
    x = defaultdict()
    x[1]=(2,3)
    print 'x = ', x
    print 'x.copy() = ', x.copy()