Question

ter In Decrypted StringEvery character in the input string is followed by its frequency.Write a function to decrypt the string and find the nth character of thedecrypted string. If no character exists at that position then return "-1".For eg:- if the input string is "a2b3" the decrypted string is "aabbb".Note: The frequency of encrypted string cannot be greater than a singledigit i.e < 10.Input Specification:input1: a stringinput2: n, the position of the character starting from 1Output Specification:II​

Answer 1

Answer:

Python

def descrept_str(string,n):

   st=''

   for i in range(0,len(string),2):

       st+=string[i]*int(string[i+1])

   if len(st)>=n:

       return st[n-1]

   return -1

Explanation:

1. first decrypt the string

2. then from string find out nth character.