Insert a character in String at a Given Position

Given a string s, a character c and an integer position pos, the task is to insert the character c into the string s at the specified position pos.

Examples:

Input: s = "Geeks", c = 'A', pos = 3
Output: GeeAks

Input: s = "HelloWorld", c = '!', pos = 5
Output: Hello!World

[Approach-1] Using Built-In Methods

We will use library methods like string insert in C++, StringBuilder insert in Java and String Slicing in Python.

// C++ program to insert a character at specific
// position using Built in functions
  
#include <bits/stdc++.h>
using namespace std;

string insertChar(string &s, char c, int pos) {
  
    // Insert character at specified position
    s.insert(s.begin() + pos, c);
  	return s;
}

int main() {
    string s = "Geeks";
    cout << insertChar(s, 'A', 3);
    return 0;
}

// Java program to insert a character at specific
// position using Built in functions

class GfG {
    static String insertChar(StringBuilder sb, char c, int pos) {
      
        // Insert character at specified position
        sb.insert(pos,