# namespace.py

# Let's get started

import m
print "m.x:", m.x

m.x += 1
print "m.x:", m.x

x = "foo"
print "x:", x

print


# Now let's play some mutable/immutable tricks

from m import x
print "x:", x
m.x += 1
print "x:", x
print "m.x:", m.x

m.x = [x]
x = m.x
print "x:", x
m.x[0] += 1
print "x:", x
print "m.x:", m.x

m.f()
print "x:", x
print "m.x:", m.x

print


# Finally, let's play some tricks with objects

class C:
    pass

x = C()
m.x = x
x.a = "foo"
print "m.x.a:", m.x.a

def f():
    return 1

m.x = f
print "m.x():", m.x()

def g():
    return "spam"

f.a = g
print "m.x.a():", m.x.a()

q = m
print "q.x():", q.x()

D = C
print "D's type:", type(D)