def name of function (list of formal parameters): body of function (1) def是个保留字,告诉Python要定义一个函数。 (2) 函数名只是个名称,用来引用函数。 (3) 函数名后面括号中的一系列名称是函数的形式参数。使用函数时,形式参数在函数调用时被绑定(和赋值语句一样)到实际参数(通常指代函
The Lambda reserved word is used to define a special function - an anonymous function, also known as a lambda function. Anonymous functions do not have names, but return the name of the function as the result of the function. In simple terms, lambda functions are used to define simple ...
logger=logging.getLogger('xxx')handler=logging.StreamHandler()formatter=logging.Formatter('%(asctime)s %(name)-12s %(levelname)-8s %(message)s')handler.setFormatter(formatter)logger.addHandler(handler)logger.setLevel(logging.DEBUG)logger.debug('This is a %s','test') 而loguru就是一个可以 开箱即...
函式体的第一个语句可以是三引号括起来的字符串, 这个字符串就是函数的文档字符串,或称为docstring 。我们可以使用print(function.__doc__)输出文档: def fun(): """Some information of this function. This is documentation string.""" return print(fun.__doc__) 1. 2. 3. 4. 5. 6. 文档字符串...
在本例中,我们只有一个参数name,该行末尾跟一个冒号。 在冒号之后,我们有函数主体。 这就是我们声明我们的函数要做什么的地方。 To define a function, we use the def keyword. The name of the function is what comes after the keyword. In this example, the function's name is greeting. So to ...
my_function()，打印的结果是：the value of __name__ is namescript，这里的__name__当然是name...
1>>> extra = {'city':'Hangzhou','job':'Engineer'}2>>> person('Jack', 36, **extra)3name: Jack age: 36 other: {'city':'Hangzhou','job':'Engineer'} **extra表示把extra这个dict的所有key-value用关键字参数传入到函数的**kw参数,kw将获得一个dict。
/usr/bin/python # -*- coding: UTF-8-*- from __future__ import print_function import psycopg2 defcreate_table(connection):print("Begin to create table") try: cursor = connection.cursor() cursor.execute("drop table if exists test;""create table test(id int, name text);") connection....
def get_name(self):"返回类的实例的名称"return self.name 上面代码仍然是保留缩进的。如果你试图返回类的实例（比如demo.py中定义的instance_of_a）的源代码，则会抛出TypeError异常。异常内容如下：“TypeError: module, class, method, function, traceback, frame, or code object was expected, got A”等...
importloggingimportazure.functionsasfunc bp = func.Blueprint()@bp.route(route="default_template")defdefault_template(req: func.HttpRequest)-> func.HttpResponse:logging.info('Python HTTP trigger function processed a request.') name = req.params.get('name')ifnotname:try: req_body = req.get_...