Function- 函数 Loop- 循环 Conditional- 条件语句 String- 字符串 List- 列表 Tuple- 元组 Dictionary-...
Operator：在代码中执行特定操作的符号。Variable：在程序中存储数据的标识符。Assignment：将值分配给变量...
conditional Statement 条件语句 Loop 循环 Array 数组 List 列表 Tuple 元组 Dictionary 字典 String 字符串 Integer 整数 Floating-point Number 浮点数 Boolean 布尔值 Operator 运算符 Assignment Operator 赋值运算符 Arithmetic Operator 算术运算符 Comparison Operator 比较运算符 Logical Operator 逻辑运算符 Bitwise ...
For example, pure assignment statements don’t return any value, as you’ll learn in a moment. Therefore, they’re not expressions. The assignment operator is a special operator that doesn’t create an expression but a statement. Note: Since version 3.8, Python also has what it calls ...
Arithmetic operators Assignment operators Comparison operators Logical operators Identity operators Membership operators Bitwise operatorsPython Arithmetic OperatorsArithmetic operators are used with numeric values to perform common mathematical operations:OperatorNameExampleTry it + Addition x + y Try it » - ...
We could make this value optional by adding an assignment operator and a default value. This would look like site = 'localhost' instead of the current site variable. Once we have our site, we create a new RobotFileParser instance and set the URL to be the fully qualified path to the ...
In the selection or loop structure, if the value of the conditional expression is not Falsea, 0, None, etc., it will all be regarded as True 1.关系运算符：可连用 1. Relational operators: can be used together 2.不允许使用赋值运算符= 2. The assignment operator = is not allowed 3. ...
赋值操作符(AssignmentOperator)。算术运算符(ArithmeticOperator)。逻辑运算符(LogicalOperator)。比较操作符(ComparisonOperator)。位操作符(Bit-wiseOperator)。会员操作符(MembershipOperator)。身份识别操作符(Identity Operator)。 下面是在Python中使用操作符的一个例子: a = 10 b = 15 #arithmetic operator print(...
arrow operator arrow(箭头)运算子 箭头操作符 assembly 装配件 assembly language 组合语言 汇编语言 assert(ion) 断言 assign 指派、指定、设值、赋值 赋值 assignment 指派、指定 赋值、分配 assignment operator 指派(赋值)运算子 = 赋值操作符 associated 相应的、相关的 相关的、关联、相应的 ...
Instead, the assignment operator creates or updates variables. Because of this, the operator can’t be part of an expression. Since Python 3.8, you have access to a new operator that allows for a new type of assignment. This new assignment is called assignment expression or named expression....