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'
>>>
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