Pangram Checking

Given a string check if it is Pangram or not. A pangram is a sentence containing every letter in the English Alphabet.
Examples : The quick brown fox jumps over the lazy dog ” is a Pangram [Contains all the characters from ‘a’ to ‘z’] 
“The quick brown fox jumps over the dog” is not a Pangram [Doesn’t contain all the characters from ‘a’ to ‘z’, as ‘l’, ‘z’, ‘y’ are missing]

Pangram Checking:https://www.geeksforgeeks.org/pangram-checking/