>>> function.__name__ 'function' >>> function.__code__ <code object function at 00BEC770, file "<stdin>", line 1> >>> function.__defaults__ ([1, 1, 1],) >>> function.__globals__ {'function': <function function at 0x00BF1C30>, '__builtins__': <module '__builtin_...
>>>function.__name__'function'>>>function.__code__<codeobjectfunctionat00BEC770,file"<stdin>",line1>>>function.__defaults__([1,1,1],)>>>function.__globals__{'function':<functionfunctionat0x00BF1C30>,'__builtins__':<module'__builtin__'(built-in)>,'__name__':'__main__'...
{'function': <function function at0x00BF1C30>,'__builtins__': <module'__builtin__'(built-in)>,'__name__':'__main__','__doc__':None} 既然你可以访问当默认值,那么你当然可以修改它: python >>>function.__defaults__[0][:] = []>>>function() [1]>>>function.__defaults__ (...
defmy_function(**kid): print("His last name is "+ kid["lname"]) my_function(fname ="Tobias", lname ="Refsnes") Try it Yourself » Arbitrary Kword Argumentsare often shortened to**kwargsin Python documentations. Default Parameter Value ...
Parameter ||--| Default Value : has Function ||--| Statement : contains Statement ||--| Conditional Statement : contains Conditional Statement ||--| Code Block : contains Code Block ||--| Code : contains 5. 总结 通过设置默认值、检查参数是否被传递以及根据情况执行不同的逻辑,我们可以实现Py...
Default parameter values are evaluated when the function definition is executed. This means that the expression is evaluated once, when the function is defined, and that that same “pre-computed” value is used for each call. This is especially important to understand when a default parameter is...
A. def function_name(parameter=None): B. def function_name(parameter): C. def function_name(parameter=default_value): D. def function_name(parameter, default_value): 相关知识点: 试题来源: 解析 C 【详解】 本题Python函数定义。在Python中,可以通过为参数指定默认值来使参数变为可选的。选项C ...
If some parameters have default values, that is, some parameters do not necessarily require calling program input, you can specify default values for these parameters directly when you redefine the function. When the function is called, if no corresponding parameter value is passed, the default ...
参考 详细介绍Python函数中的默认参数 Python:默认参数 Default Parameter Values Python官方文档-Defining Functions Python官方文档-More on Defining Functions Python Built-in Function#id 畅享全文阅读体验
def function_name(parameter_0, parameter_1='default value') 对于函数调用中的关键字实参,也应遵循这种约定: function_name(value_0, parameter_1='value') 如果形参很多,导致函数定义的长度超过了 79 字符,可在函数定义中输入左括号后按回车键,并在下一行按两次 Tab 键,从而将形参列表和只缩进一层的函数体...