# globals.py

x = 1
y = 'abc'

class cfg:
    pass
cfg.x = 1
cfg.y = 'abc'

import m
m.x = 1
m.y = 'abc'


# Using global names

def f(a,b):
    global x, y
    x,y = a,b

print "x, y: %s, %s" % (x,y)
f('xyz', 5)
print "x, y: %s, %s" % (x,y)

print


# Using class global
# Global only within current module

def g(a,b):
    cfg.x,cfg.y = a,b

print "cfg.x, cfg.y: %s, %s" % (cfg.x,cfg.y)
g('xyz', 5)
print "cfg.x, cfg.y: %s, %s" % (cfg.x,cfg.y)

print


# Using module singleton
# Shared across all modules importing m

def h(a,b):
    m.x,m.y = a,b

print "m.x, m.y: %s, %s" % (m.x,m.y)
h('xyz', 5)
print "m.x, m.y: %s, %s" % (m.x,m.y)