Learn of dictionary,
simple example of dictionary in “Simple Python tutorial"
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#!/usr/bin/python
# Filename:dictionary.py
# 'ab' is short for 'a'ddress'b'ook
ab = { 'Swaroop' : 'swaroop@byteofpython.info',
'Larry' : 'larry@wall.org',
'Matsumoto' : 'matz@ruby-lang.org',
'Spammer' : 'spammer@hotmail.com' }
print "Swaroop's address is %s" %ab['Swaroop']
# delete a key->value pair
del ab['Spammer']
print '
There are %d contacts in the address-book
' %len(ab)
for name,address in ab.items():
print 'Contact %s at %s' %(name,address)
if 'Guido' in ab:
print "
Guido's address is %s" %ab['Guido']
if ab.has_key('Larry'):
print "
Larry's address is %s" %ab['Larry']