Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> char=input()
lincoln
>>> str=char
>>> str1=str[0]
>>> str=str.replace(str1,"5")
>>> str=str1+str[1:]
>>> print(str)
linco5n
>>> str2=str[3]
>>> str=str.replace(str2,"&")
>>> str=str2+str[1:]
>>> print(str)
cin&o5n
>>> 
