In Python, we can provide default values to function arguments. We use the=operator to provide default values. For example, defadd_numbers( a =7, b =8):sum = a + bprint('Sum:', sum)# function call with two argumentsadd_numbers(2,3)# function call with one argumentadd_numbers(a ...
send_email(to="alice@example.com", subject="Meeting Tomorrow", body="Don't forget about the meeting.", cc="bob@example.com") 在这个例子中,to、subject和body是必需的参数,而cc和bcc是可选的关键字参数。
python,keyword arguments http://docs.python.org/release/1.5.1p1/tut/keywordArgs.html 4.7.2 Keyword Arguments Functions can also be called using keyword arguments of the form "keyword=value". For instance, the following function: def parrot(voltage, state='a stiff', action='voom', type='Nor...
这里不定的意思是: 预先并不知道,函数使用者会传递多少个参数给你,所在在这个场景下使用这两个关键字。 *args (arguments)表示任何多个无名参数, 它本质上是一个 tuple ** kwargs (keyword arguments)表示关键字参数, 它本质上是一个 dict 注意:使用时必须要求 *args 参数列要在** kwargs 前面 【因为位置参...
Keyword ArgumentsYou can also send arguments with the key = value syntax.This way the order of the arguments does not matter.ExampleGet your own Python Server def my_function(child3, child2, child1): print("The youngest child is " + child3) my_function(child1 = "Emil", child2 = "...
If you want to accept keyword-only arguments and you’re not using a*to accept any number of positional arguments, you can use a*without anything after it. For example here’s a modified version of Django’sdjango.shortcuts.renderfunction: ...
defexample_function(*args,**kwargs):print("Positional arguments:",args)print("Keyword arguments:"...
def function_with_both(*args, **kwargs): print("Positional arguments:", args) print("Keyword arguments:", kwargs) function_with_both(1, 2, 3, a='A', b='B', c='C') 这个示例展示了如何在一个函数中同时接收*args(位置参数)和**kwargs(关键字参数),并打印它们。 高级应用与技巧 组合使...
2which fixes the error. However, you might have noticed that in the previous example we used a keyword argument for the num1 parameter instead of the num2 parameter. If you want to use both positional and keyword arguments, all the positional arguments must come before the keyword arguments....
Parameters are defined by the names that appear in a function definition, whereas arguments are the values actually passed to a function when calling it. Parameters define what kind of arguments a function can accept. For example, given the function definition: ...