python reverse string

def reverse_fuc(input_str):
    reverse = ''
    length = len(input_str) - 1
    while length >= 0:
       reverse = reverse + input_str[length]
       length = length - 1
return reverse

target = reverse_fuc('prabhath')
print(target)  #htahbarp

python reverse vs reversed

"""
reverse() modifies the list itself, whereas
reversed() returns an iterator ready to traverse the list in reversed order.
"""

#string reverse (best way for string reverse using slicing)
s = 'string'
print(s[::-1]) #gnirts
print(s) #string

#string reversed
rs = reversed(s)
print(''.join(rs)) #gnirts
print(s) #string

#reverse list
l = [1,2,3]
l.reverse()
print(l) #[3,2,1]

#reversed list
ll = reversed(l)
print(ll) #<list_reverseiterator object at 0x7fa572312790>
print(list(ll)) #[1,2,3]

Python reverse a string

Python reverse a string

ss = 'Hello World'
print ss[::-1] #dlroW olleH
print reversed(ss)
print ''.join(reversed(ss)) #dlroW olleH

O/P:
dlroW olleH 

<reversed object at 0x7f5813ce73d0> 

dlroW olleH