如何从控制台 Python 中删除最后几个字符

只需在answer = input("= ")后添加这两行:

系统.标准输出.写("\033[F")#回上一行

系统.标准输出.写入("\033[K")\35;清除行

import random
import time
import sys

def play(seconds):
    start_time = time.time()
    score = 0
    while True:
        current_time = time.time()
        elapsed_time = current_time - start_time
        a = random.randint(2, 100)
        b = random.randint(2, 100)
        d = random.randint(2, 12)
        asmd = random.choice([1, 2, 3, 4])
        if (asmd == 1):
            solve = a + b 
            answer  = input("%d + %d = " % (a, b))                            
        elif (asmd == 2):
            if (a > b):
                solve = a - b
                answer  = input("%d - %d = " % (a, b))
            else:
                solve = b - a
                answer  = input("%d - %d = " % (b, a))
        elif (asmd == 3):
            solve = a * d
            answer  = input("%d * %d = " % (a, d))
        else:
            solve = d
            c = a * d
            answer  = input("%d / %d = " % (c, a))
    
             
        while (solve != int(answer)):
            answer = input("= ") 
            if solve != int(answer):  
                系统.标准输出.写("\033[F")#回上一行 
                系统.标准输出.写入("\033[K")\35;清除行
            
        score += 1
        if elapsed_time > seconds:
            print("Time\'s up! Your score was %d." % (score))
            break  


play(10)