Question

我们已经知道，datetime.timedelta（hours = 5）是一个正确的语法。如何传递一个可以替换下面函数中给出的'hours'的参数？

    def check_time(until_when, def_time, how_long):
            if until_when- datetime.datetime.now() > datetime.timedelta(def_time = how_long):
            input('Task has been finished.\nPress any key to quit\n')
            exit()

Answer 1

def check_time(until_when, def_time, how_long):
    arg_dict = {def_time:how_long}
    dt = datetime.timedelta(**arg_dict)
    if until_when- datetime.datetime.now() > dt:
        input('Task has been finished.\nPress any key to quit\n')
        exit()

请参阅Understanding kwargs in Python和the tutorial.

如何将参数传递给datetime.timedelta

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