Mutations Hacker Rank Solution – Queslers

Problem: Mutations Hacker Rank Solution

Task

Read a given string, change the character at a given index and then print the modified string.

Input Format

The first line contains a string, .
The next line contains an integer , denoting the index location and a character  separated by a space.

Output Format

Using any of the methods explained above, replace the character at index  with character .Sample Input

abracadabra
5 k

Sample Output

abrackdabra

Mutations - Hacker Rank Solution

Using the slice : operator, we can solve this challenge.

Mutations Hacker Rank Solution in Python 2

S=raw_input()
i,c=map(str,raw_input().split())
i=int(i)
print S[:i] + c + S[i+1:]

Mutations Hacker Rank Solution in Python 3

string = input()
line = input().split()
i, c = int(line[0]), line[1]
print(string[:i] + c + string[i+1:])

Mutations Hacker Rank Solution in PyPy

# Enter your code here. Read input from STDIN. Print output to STDOUT
S=raw_input()
n,a=raw_input().split()
l=list(S)
l[int(n)]=a
print ''.join(l)

Mutations Hacker Rank Solution in PyPy3

#def mutate_string(string, position, character)
#print(input())
string=list(input())
[a,b]=(input().split())
#print ([a,b])
#print(string[int(a)])
#print(i)
#print(rep)
#string = string[:i] + str(b) + string[(i+1):]
string[int(a)]= str(b)
string="".join(string)
print (string)

#return

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