Function to time you typing the alphabet

time_alphabet.py

def time_alphabet():
    print("Time starts when you press a. Time will be printed when you finish by pressing z. If you go wrong, it won't tell you and your time won't stop. Press 0 to quit in this case.")
    a1 = msvcrt.getch()
    if a1 == b'a':
        t0 = time.monotonic()
    u = b''
    while u != b'bcdefghijklmnopqrstuvwxyz':
        c = msvcrt.getch()
        u += c
        if c == b'0':
            return
    t1 = time.monotonic()
    print(t1-t0)