cpp-programming-practice/6. String/013_upperTolower.cpp at main · lakshyakurvey19-code/cpp-programming-practice · GitHub

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#include<iostream>
#include<string>
using namespace std;

int main(){
    string s;

    cout <<"Enter the string: ";
    getline(cin,s);

    for (int i = 0; i < s.length(); i++) {
        s[i] = tolower(s[i]);
    }

    cout << "lowercase string: " << s;

    return 0;
}