# function with two argumentsdefadd_numbers(num1, num2):sum = num1 + num2print("Sum: ", sum)# function call with two valuesadd_numbers(5,4) Run Code Output Sum: 9 In the above example, we have created a function namedadd_numbers()with arguments:num1andnum2. Python Function with ...
deftiming_decorator(func):defwrapper(*args,**kwargs):start_time=time.time()result=func(*args,**kwargs)end_time=time.time()print(f"{func.__name__} 执行时间: {end_time - start_time} 秒")returnresultreturnwrapper @timing_decorator defslow_function():time.sleep(2)slow_function() 通过将...
You should name your entry point functionmain()in order to communicate the intention of the function, even though Python does not assign any special significance to a function namedmain(). If you want to reuse functionality from your code, define the logic in functions outsidemain()and call ...
self.root=root self.root.title("抽奖系统")self.label=tk.Label(root,text="点击按钮进行抽奖")self.label.pack()self.button=tk.Button(root,text="抽奖",command=self.draw)self.button.pack()defdraw(self):user_id='user_gui'prize=self.lottery_system.draw_for_user(user_id)ifprize:messagebox.sho...
去掉doc所指定的内容,example: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 __doc__="""\ Moduleforminification functions.""" fix_empty_methods 修改空函数变成pass 代码语言:javascript 代码运行次数:0 运行 AI代码解释 defmyfunc():'''This is just a placeholder function.''' ...
importtimedeftiming_decorator(func):defwrapper(*args, **kwargs):start_time = time.time()result = func(*args, **kwargs)end_time = time.time()print(f"{func.__name__}执行时间:{end_time - start_time}秒")returnresultreturnwrapper@timing_decoratordefslow_function():time.sleep(2)slow_func...
classUsefulClass:"""This class might be useful to other modules."""passdefmain():"""Creates a useful class and does something with it for our module."""useful = UsefulClass()print(useful)if__name__ =="__main__": main() 每个模块都有一个__name__特殊变量(记住,Python 使用双下划线表...
>>> def function(a): ... pass ... >>> function(0, a=0) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: function() got multiple values for keyword argument 'a' 当**name存在表单的最终形式参数时,它接收包含除了与形式参数相对应的所有关键字参数的...
def print_args(*args): print("位置参数:", args) for arg in args: print(arg) # 调用函数 print_args("Alice", 25, True, [1, 2, 3]) # 输出: # 位置参数: ('Alice', 25, True, [1, 2, 3]) # Alice # 25 # True # [1, 2, 3] ...
importnumpyasnpdeftest(a):a[0]=np.nanm=[1,2,3]test(m)print(m) output: [nan, 2, 3] Note python has this really weird error if you define local variable in a function same name as the global variable, program will promptUnboundLocalError. ...