آموزش عملگرهای پایتون

Operator

Name

Example

+

Addition

x + y

-

Subtraction

x - y

*

Multiplication

x * y

/

Division

x / y

%

Modulus

x % y

**

Exponentiation

x ** y

//

Floor division

x // y

Operator

Example

Same As

=

x = 5

x = 5

+=

x += 3

x = x + 3

-=

x -= 3

x = x - 3

*=

x *= 3

x = x * 3

/=

x /= 3

x = x / 3

%=

x %= 3

x = x % 3

//=

x //= 3

x = x // 3

**=

x **= 3

x = x ** 3

&=

x &= 3

x = x & 3

|=

x |= 3

x = x | 3

^=

x ^= 3

x = x ^ 3

>>=

x >>= 3

x = x >> 3

<<=

x <<= 3

x = x << 3

Operator

Name

Example

==

Equal

x == y

!=

Not equal

x != y

>

Greater than

x > y

<

Less than

x < y

>=

Greater than or equal to

x >= y

<=

Less than or equal to

x <= y

Operator

Description

Example

and 

Returns True if both statements are true

x < 5 and  x < 10

or

Returns True if one of the statements is true

x < 5 or x < 4

not

Reverse the result (returns False if the result is true)

not(x < 5 and x < 10)

Operator

Description

Example

is 

Returns True if both variables are the same object

x is y

is not

Returns True if both variables are not the same object

x is not y

Operator

Description

Example

in 

Returns True if a sequence with the specified value is present in the object

x in y

not in

Returns True if a sequence with the specified value is not present in the object

x not in y

Operator

Name

Description

Example

& 

AND

Sets each bit to 1 if both bits are 1

x & y

|

OR

Sets each bit to 1 if one of two bits is 1

x | y

^

XOR

Sets each bit to 1 if only one of two bits is 1

x ^ y

~

NOT

Inverts all the bits

~x

<<

Zero fill left shift

Shift left by pushing zeros in from the right and let the leftmost bits fall off

x << 2

>>

Signed right shift

Shift right by pushing copies of the leftmost bit in from the left, and let the rightmost bits fall off

x >> 2

Operator

Description

()

Parentheses

**

Exponentiation

+x  -x  ~x

Unary plus, unary minus, and bitwise NOT

*  /  //  %

Multiplication, division, floor division, and modulus

+  -

Addition and subtraction

<<  >>

Bitwise left and right shifts

&

Bitwise AND

^

Bitwise XOR

|

Bitwise OR

==  !=  >  >=  <  <=  is  is not  in  not in 

Comparisons, identity, and membership operators

not

Logical NOT

and

AND

or

OR