#!/usr/local/bin/python

# ein Woerterbuch / Dictionary
tel = {'stan': 4092,
	'markus': 4323,
	'brian': 3204,
	'loretta': 4092,
	'johannes': 5591}

print "a)", tel

print "b)", tel['brian']

del tel['stan']

print "c)", tel

print "d)", tel.keys()

print "e)", tel.has_key('brian')