quotes is avariablethat names a Pythondictionary—a collection of uniquekeys(in this example, the name of the Stooge) and associatedvalues(here, a notable saying of that Stooge). Using a dictionary, you can store and look up things by name, which is often a useful alternative to a list....
_global_variable = 42 # 模块非公开的全局变量 __all__ = ['public_variable'] # 通过 from module import * 导入的公开变量列表 public_variable = 10 # 公开的全局变量 Function and Variable Names|函数和变量的命名 函数名应该是小写的,单词之间可以用下划线分隔以提高可读性。 变量名遵循与函数名相同的...
Variable names with more than one word can be difficult to read. There are several techniques you can use to make them more readable: Camel Case Each word, except the first, starts with a capital letter: myVariableName ="John" Pascal Case ...
Variable Names (变量名称) A variable can have a short name (like x and y) or a more descriptive name (age, carname, total_volume). Rules for Python variables: A variable name must start with a letter or the underscore character. 变量名必须以字母或下划线字符开头。 A variable name cannot ...
Rules for Naming VariablesVariable names in Python can be any length and can consist of uppercase letters (A-Z) and lowercase letters (a-z), digits (0-9), and the underscore character (_). The only restriction is that even though a variable name can contain digits, the first character...
Exception Names Because exceptions should be classes, the class naming convention applies here. However, you should use the suffix "Error" on your exception names (if the exception actually is an error). Global Variable Names (Let's hope that these variables are meant for use inside one module...
Naming Variables: Rules and Style The naming of variables is quite flexible, but there are some rules you need to keep in mind: Variable names must only be one word (as in no spaces) Variable names must be made up of only letters, numbers, and underscore (_) ...
Rules for naming Python functions: Valid Characters: Function names may contain letters (a-z, A-Z), digits (0-9), and underscores (_). Start with a Letter or Underscore: Function names must begin with a letter (a-z, A-Z) or an underscore (_). ...
Delete a variable Variable’s case-sensitive Constant Assigning a value to a constant in Python Rules and naming convention for variables and constants Multiple assignments Assigning a single value to multiple variables Assigning multiple values to multiple variables Variable scope Local variable Global va...
Variable Names#变量名 Certain restrictions apply in regard to the characters that may be used in Python variable names. The only characters that are allowed are letters, numbers, and underscores. Also, they can't start with numbers. Not following these rules results in errors. ...