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Python reversed() function

  • Difficulty Level : Basic
  • Last Updated : 08 Jan, 2018

reversed() method returns an iterator that accesses the given sequence in the reverse order.

Syntax :

reversed(sequ)

Parameters :

sequ : Sequence to be reversed.



Returns :

returns an iterator that accesses the given sequence in the reverse order.

 
CODE 1




# Python code to demonstrate working of
# reversed()
  
# For string
seqString = 'geeks'
print(list(reversed(seqString)))
  
# For tuple
seqTuple = ('g', 'e', 'e', 'k', 's')
print(list(reversed(seqTuple)))
  
# For range
seqRange = range(1, 5)
print(list(reversed(seqRange)))
  
# For list
seqList = [1, 2, 4, 3, 5]
print(list(reversed(seqList)))

Output :

['s', 'k', 'e', 'e', 'g']
['s', 'k', 'e', 'e', 'g']
[4, 3, 2, 1]
[5, 3, 4, 2, 1]

 
CODE 2




vowels = ['a', 'e', 'i', 'o', 'u']
  
# Function to reverse the list
def __reversed__(self):
    return reversed(self.vowels)
  
# Main Function    
if __name__ == '__main__':
    print(list(reversed(vowels)))

Output :

['u', 'o', 'i', 'e', 'a']

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