[Python] three, operator python

Python language supports the following types of operators :

Arithmetic Operators

A = 4

B = 3

Operators

description

example

+

Adding

A + B results 7

-

Subtraction

A - B results 1

*

Multiplied

A * B result 12

/

Divided

A / B results 1.33333

%

Modulo

A% B results 1

**

power

A ** B result 64

Comparison Operators

A = 4

B = 3

Operators

description

example

==

Compares objects are equal

A == B returns False

!=

Compare objects are not equal

A! = B returns True

more than the

A> B returns True

Less than

A <B returns False

>=

greater than or equal to

A> = B returns True

<=

less than or equal to

A <= B returns False

Assignment Operators

A = 4

B = 3

Operators

description

example

=

Assignment

C = A + B

+=

Addition assignment

C + = A is equivalent to C = C + A

-=

Subtraction assignment

C - = A is equivalent to the C = C - A

*=

Less than

C * = A is equivalent to C = C * A

/=

greater than or equal to

C / = A is equivalent to C = C / A

Logical Operators

A = True

B = False

Operators

description

example

and

And

A and B returns False

or

or

A or B returns True

not

non-

not A return False

Member operator

= A 'and'

B = 'Hello'

Operators

description

example

in

If you find the value in the specified sequence returns True , otherwise it returns False

A in B returns True

not in

If the value is not found in the specified sequence returns True , otherwise it returns False

A not in B returns False

 


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Origin blog.51cto.com/14495437/2479450