Reverse a string in Python

How about:
Method-1

>>> 'hello world'[::-1]
'dlrow olleh'

This is extended slice syntax. It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.

Method-2

s[::-1] is fastest; a slower approach (maybe more readable, but that's debatable) approach is  
''.join(reversed(s)).

Method-3

c = list(string1)
c.reverse()
print ''.join(c)

 

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