Hakerrank Python | Solutions

  def  mutate_string(string, position, character):     s =  list (string)     s[position] = character      return   '' .join(s) if  __name__ ==  '__main__' :     s =  input ()     i, c =  input ().split()     s_new = mutate_string(s,  int (i), c)      print (s_new)

 def split_and_join(line):     # write your code here     return ('-'.join(line.split())) if __name__ == '__main__':     line = input()     result = split_and_join(line)     print(result)