global Statement : global « Function « Python Tutorial

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Python Tutorial » Function » global

10.10.2.global Statement

def foo():

    print "\ncalling foo()..."

    bar = 200

    print "in foo(), bar is", bar



bar = 100

print "in __main__, bar is", bar

foo()

print "\nin __main__, bar is (still)", bar



is_this_global = 'xyz'



def foo():

     global is_this_global

     this_is_local = 'abc'

     is_this_global = 'def'

     print this_is_local + is_this_global



foo()

print is_this_global

10.10.global
	10.10.1.	only the most local and global namespaces can be modified
	10.10.2.	global Statement
	10.10.3.	Scoping example.
	10.10.4.	Demonstrates global variables
	10.10.5.	The global Statement
	10.10.6.	declare it in a global statement:
	10.10.7.	Within a function, you can't use both local and global versions of the same name

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