Inserting a string into a list without getting split into characters

Another option is using the overloaded + operator:

>>> l = ['hello','world']
>>> l = ['foo'] + l
>>> l
['foo', 'hello', 'world']

To add to the end of the list:

list.append('foo')

To insert at the beginning:

list.insert(0, 'foo')

Sticking to the method you are using to insert it, use

list[:0] = ['foo']

http://docs.python.org/release/2.6.6/library/stdtypes.html#mutable-sequence-types

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