Hackerrank Python: Pangram or not?!

A pangram is a string that contains every letter of the alphabet. Given a sentence determine whether it is a pangram in the English alphabet. Ignore case. Return either pangram or not pangram as appropriate.

Amir Charkhi

Example

s = 'The quick brown fox jumps over the lazy dog'

The string contains all letters in the English alphabet, so return pangram.

Function Description

Complete the function pangrams in the editor below. It should return the string pangram if the input string is a pangram. Otherwise, it should return not pangram.

pangrams has the following parameter(s):

• string s: a string to test

Returns

• string: either pangram or not pangram

ANSWER

#!/bin/python3

import math
import os
import random
import re
import sys

#
# Complete the 'pangrams' function below.
#
# The function is expected to return a STRING.
# The function accepts STRING s as parameter.
#

def pangrams(s):
    s = s.lower()
    alphabet = [chr(i) for i in range(97, 123)]
    pangram = False
    for letter in alphabet:
        if letter not in s:
            pangram = False
            return "not pangram"
        else:
            continue
    return "pangram"

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    s = input()

    result = pangrams(s)

    fptr.write(result + '\n')

    fptr.close()