19: Write a program to check whether a entered character is lowercase ( a to z ) or uppercase ( A to Z ). ========> to write full english write (letter >= 'A' && letter <= 'Z') <=========

     


// Write a program to check whether a entered character is lowercase ( a to z ) or uppercase ( A to Z ).


#include <iostream>
using namespace std;

int main(){

        char letter;

        cout << "Enter the alphabet: ";
        cin >> letter;

        if(letter >= 'A' && letter <= 'Z'){
            cout << "The alphabet is uppercase \n";
        }
        else if(letter >= 'a' && letter <= 'z'){
            cout << "The alphabet is lowercase \n";
        }
        else cout << "This is not an alphabet \n";

    return 0;
}

Input 1:


Enter the alphabet: F

Output 1:


The alphabet is uppercase

Input 2:


Enter the alphabet: d

Output 2:


The alphabet is lowercase

Input 3:


Enter the alphabet: 5

Output 3:


This is not an alphabet


 

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