语法: deffunctionname( parameters ):"""comments"""function_suitereturn[expression] 实例: deffunc(parameter):"""打印传入的字符到显示设备上"""print(parameter)returnparameter 二:函数调用 定义一个函数只给了函数一个名称,指定了函数里包含的参数,和代码块结构。 这个函数的基本结构完成以后,可以通过另一个...
defmy_function(fname, lname): print(fname +" "+ lname) my_function("Emil") Try it Yourself » Arbitrary Arguments, *args If you do not know how many arguments that will be passed into your function, add a*before the parameter name in the function definition. ...
Only one value is passed during the function call. So, according to the positional argument2is assigned to argumenta, and the default value is used for parameterb. 3. add_number() No value is passed during the function call. Hence, default value is used for both parametersaandb. Python ...
When a function is defined, the parentheses are a comma-separated list of formal parameters (parameters). The function can have multiple or no parameters. When calling a function, pass arguments to it, and pass the reference of the actual parameter to the formal parameter according to different...
strings using the plus sign and also they can bemultipliedby a number, which results in the continuous repetition of the string as many times as the number indicates. Also, if we want to find out thelengthof the string, we simply have to use thelen() function as shown in the example ...
these variadic arguments will be last in the list of formal parameters, because they scoop up all remaining input arguments that are passed to the function. Any formal parameters which occur after the *args parameter are ‘keyword-only’ arguments, meaning that they can only be used as keywords...
import module_name as mn mn.function_name() 8.6.3 导入模块中的特定函数 导入模块中的特定函数可以采用如下语法: from build import build_profile 注意,如果有多个函数,可以用逗号分隔。 from module_name import function_1, function_2 此时可以直接调用导入的函数。 build_profile("Wu","Kris",age = 18...
pip install memory_profiler#Load its magic function %load_ext memory_profiler from memory_profiler import profile memory_profiler可以完成以下的工作: 1、查找一行的内存消耗 我们只需要在代码的前面加上魔法函数 %memit %memit x = 10+5 #Output peak memory: 54.01 MiB, increment: 0.27 MiB ...
match-case 语法格式:parameter = "zbxx.net"match parameter: case first : do_something(first) case second : do_something(second) ... ... case n : do_something(n) case _ : nothing_matched_function()match-case 语句使用 match 关键字初始化并获取一个参数,然后使...
# Arbitrary Argument Lists# It receives a tuple containing the positional arguments beyond the formal parameter list. (*name must occur before **name.)# be last in the list of formal parameters, because they scoop up all remaining input arguments that are passed to the functiondefarbitrary_arg...