Assignment2.py

def main():
    while True:
        how_many_loops = input("How many grades will you be entering? ")
        if '.' not in how_many_loops:
            for _ in range(int(how_many_loops)):
                while True:
                    score = int(input("Please enter a grade between 0 and 100: "))
                    if score > 100 or score < 0:
                        print('Your number is out of range!', end=' ')
                        continue
                    break

            break  # Success
        else:
            print("You can't enter", how_many_loops, "grades!", end=' ')


if __name__ == '__main__':
    main()