from random import randint as rand
import readchar

endGame = False

print("Вводите символы которые видите на экране")
pressedKey = None
checkTrue = 0
while True:
    if endGame:
        break
    kod = rand(65, 122)
    neededKey = chr(kod)
    print(neededKey, end = '', flush = True)
    pressedKey = readchar.readkey()
    if neededKey == pressedKey :
        checkTrue += 1
    if pressedKey == '\x1b' :
        print(f"\n Кол-во верных ответов: {checkTrue}")
        checkTrue = 0
        endGame = True
        break
    while neededKey != pressedKey :
        checkTrue = 0
        print("\n")
        print("Ошибка!")
        print("\b")
        print(neededKey, end = '', flush = True)
        pressedKey = readchar.readkey()
        if neededKey == pressedKey :
            checkTrue += 1
        if pressedKey == '\x1b' :
            print(f"Кол-во верных ответов: {checkTrue}")
            checkTrue = 0
            endGame = True
            break