programming-examples/python/_Basics/Python program to get a string from a given string where all occurrences of its first char have been changed to '$', except the first char itself.py

def change_char(str1):  
  char = str1[0]  
  length = len(str1)  
  str1 = str1.replace(char, '$')  
  str1 = char + str1[1:]  
  
  return str1  
  
print(change_char('restart'))