[Python] liberal arts students zero basic programming Series 3-basic types of data operators,

[Python] liberal arts students zero basic programming Series 3-basic types of data operators,

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Simply put,The operator is the bridge to connect.

※The execution process of a program is the process of calculating data.
Different Data Types support different operations,
FollowDifferent data operation types, AndDivided into different data operators.

 

4.1 Data Operators: (Python is used as an example)

4.1.1 Arithmetic Operators

Scope of use: arithmetic operation

Return Value Type: Numeric

Symbol list: (see figure)

 

4.1.2 comparison (relational) Operator

Scope of use: Comparison

Return Value Type: boolean

Return Value: True or False

Symbol list: (see figure)

 

4.1.3 value assignment operator

Usage scope: Value assignment

Return Value: reference of the left operand (the number returned by the value assignment operator is not the value of the variable, but the address of the variable .)

Symbol list: (see figure)

 

4.1.4 logical operators

Scope of use: Determine whether the logic formula is true or false

Involved data type: Logical Data

Return Value Type: boolean

Return Value: True or False

Symbol list: (see figure)

 

4.1.5 bitwise operators

Scope of use:

Symbol list: (see figure)

 

4.1.6 member operators

Scope of use: used to determine whether a member is true or false in a specified sequence.

Return Value Type: boolean

Return Value: True or False

Symbol list: (see figure)

 

4.1.7 identity Operators

Scope of use:

Return Value Type:

Return Value:

Symbol list: (see figure)

 

4.2 operator priority:

 

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