Write a function which takes a string as a parameter and returns that string in reverse? * code example

Example 1: python reverse string

'String'[::-1] #-> 'gnirtS'

Example 2: python reverse a string

#linear

def reverse(s): 
  str = "" 
  for i in s: 
    str = i + str
  return str

#splicing
'hello world'[::-1]