From a to z

a_to_z.py

import getch
import time


print("Type from a to z.")
print("Timer will begin after typing the first letter 'a'.")
print("Quit: Ctrl + C")

while True:
    c = ord('a')
    begin = None

    while True:
        char = getch.getch()
        if ord(char) != c:
            continue

        if not begin:
            begin = time.time()
            
        print(char, end='', flush=True)

        c += 1
        if c > ord('z'):
             break

    end = time.time()

    print('\t', end - begin)

Need getch to run.

pip install getch