0013 _ operator, 0013 Operator

0013 _ operator, 0013 Operator

1. Arithmetic Operators

+

-

*

/

% (Remainder)

// (Division)

Python2.7: 9/2 = 4

9/2 = 4.5 (import module from _ future _ import division)

Python3: 9/2 = 4.5

2. Comparison Operators

= Compare whether objects are equal

! = Compare whether two objects are not equal

<> Compare whether two objects are not equal

> Greater

<Less

> = Greater than or equal

<= Less than or equal

3. Value assignment operator

= Value assignment

+ = Auto-Increment

-= Auto-Subtraction

* = Self-Multiplication

/= Self-Division

4. logical operators

And

Or

Not no

5. member operators

In determines whether a = "alex SB" ret = "SB" in a print (ret) => True

Not in determines whether B = ['Alex ', 'Eric', 'rain'] ret = 'xb 'in B print (ret) => False

6. Identity Calculation

Is used to determine whether two identifiers reference an object x is y. If id (x) is equal to id (y), is returns result 1.

Is not