Question

import datetime

start = datetime.datetime.now()  
end = datetime.datetime.now()

enter = ""  
result = end - start  
alphabet = "abcdefghijklmnopqrstuvwxyz"  
print("Welcome to the alphabet game!")  
print("Try to type the alphabet as fast as you can!")  

enter = input("when you are ready type 'go' : ")  
if enter == "go":  
    start  
    print("GO")  
    g = input("")  
if g == alphabet:  
    print("Well done!")  
    print("Your time was: ", result)

问题是它返回的时间只是00:00:00 如何让2个日期时间在代码本身内工作，或者记录用户完成并开始输入的时间？
有解决方案吗

Answer 1

因为您在允许用户播放之前分配给result和end 。此外，第一个if-body中的start毫无意义。

Answer 2

您将start和end设置为一次，位于顶部。如果您想衡量游戏中的特定时刻，则需要在当时致电datetime.datetime.now() 。提及start不会那样做：

alphabet = "abcdefghijklmnopqrstuvwxyz"  
print("Welcome to the alphabet game!")  
print("Try to type the alphabet as fast as you can!")  
start = None

enter = input("when you are ready type 'go' : ")  
if enter == "go":  
    start = datetime.datetime.now()
    print("GO")  
    g = input("")  
if g == alphabet:
    if not start:
        print("We have yet to start!")
    else: 
        print("Well done!")
        print("Your time was: ", datetime.datetime.now() - start)

如何在python中获得2个日期时间的区别？

2 个答案: