python on window

[sandeep patil]

i have written this program but i have gott following error,
in anather proram "indentation error" sir how i will indent in my
editor

#test.py
>>> def invert(table):
	index=()
	for key in table:
		value=table[key]
		if not index.has_key(value):
			index[value]=[]
			index[value].append(key)
		return index


>>> phonebook = {'sandeep':9325, 'amit':9822, 'anand':9890, 'titu': 9325}
>>> phonebook
{'titu': 9325, 'amit': 9822, 'anand': 9890, 'sandeep': 9325}
>>> print phonebook
{'titu': 9325, 'amit': 9822, 'anand': 9890, 'sandeep': 9325}
>>> inverted_phonebook = invert(phonebook)

Traceback (most recent call last):
  File "<pyshell#13>", line 1, in <module>
    inverted_phonebook = invert(phonebook)
  File "<pyshell#9>", line 5, in invert
    if not index.has_key(value):
AttributeError: 'tuple' object has no attribute 'has_key'
>>> interted_phonebook= invert(phonebook)

Traceback (most recent call last):
  File "<pyshell#14>", line 1, in <module>
    interted_phonebook= invert(phonebook)
  File "<pyshell#9>", line 5, in invert
    if not index.has_key(value):
AttributeError: 'tuple' object has no attribute 'has_key'
>>>