Table of Contents

# operator precedence in python :

Welcome everyone, today’s we are going to see what is

**operator precedence in python**.So let’s start:

There are Two type Of operator Precedence

- highest precedence
- highest precedence

operator precedence in python- operator associativity |

following table lists show operator from highest to lowest precedence.

##

Operator Description [**] This is Exponentiation precedence it's raise to the power [~ + -] This is Complement, unary plus and minus precedence [* / % //] This is Multiply, divide, modulo and floor division precedence [+ -] This is Addition and subtraction precedence [>> <<] This is Right and left bitwise shift precedence [&] This is Bitwise 'AND'td> precedence [^ |] This is Bitwise exclusive `OR' and regular `OR' precedence [<= < > >=] This is Comparison operators precedence [<> == !=] This is Equality operators precedence [= %= /= //= -= += *= **=] This is Assignment operators precedence [is is not] This is Identity operators precedence [in not in] This is Membership operators precedence [not or and] This is Logical operators precedence

Operator Description [**] This is Exponentiation precedence it's raise to the power [~ + -] This is Complement, unary plus and minus precedence [* / % //] This is Multiply, divide, modulo and floor division precedence [+ -] This is Addition and subtraction precedence [>> <<] This is Right and left bitwise shift precedence [&] This is Bitwise 'AND'td> precedence [^ |] This is Bitwise exclusive `OR' and regular `OR' precedence [<= < > >=] This is Comparison operators precedence [<> == !=] This is Equality operators precedence [= %= /= //= -= += *= **=] This is Assignment operators precedence [is is not] This is Identity operators precedence [in not in] This is Membership operators precedence [not or and] This is Logical operators precedence

For example, z = 4 + 5 * 6; here, z is assigned 34, not be 54 reason is because operator * has higher precedence than +operator, so it first multiplies 5*6 and then adds into 4.Operator precedence affect

**how an expression is evaluated**in arthi.### Example

#programming with pythonslearning.com

p = 10

z = 20

r = 30

s = 5

pa = 0

pa = (p + z) * r / s #( 10 + 20 )* 30/ 5

print "ans of (p + z) * r / s is shown ", pa

pa = ((p + z) * r) / s # ((10 + 20 )*30)/ 5

print "ans of ((p + z) * r) / s is shown ", pa

pa = (p + z) * (r / s); # (10+20) * (30/5)

print "ans of (p + z) * (r / s) is shown ", pa

pa = p + (z * r) / s; # 10 + (20*30)/5

print "ans of p + (z * r) / s is shown ", pa

After the execute the above programs, it produce the following outcome results −

ans of (p + z) * r / s is shown 180

ans of ((p + z) * r) / s is shown 180

ans of (p + z) * (r / s) is shown 180

ans of p + (z * r) / s is shown 130

## Python operator associativity

If two or more operator have the same precedence, then associativity of function defines the order of operation.

#### What does the associativity mean in Python?

The associativity is the containing multiple operators of the same precedence. Almost all operator support the left-to-right associativity except the exponent (**).

Some FAQ about operator precedence in python

### 1. What is operator precedence in Python?

To evaluate the types of expressions the rule make

**precedence in Python**.There can be always more than one**operators**in an expression.2. Which operator has highest precedence in Python?

For example we know multiplication and division

**have**a higher**precedence**than addition and subtraction operator.[**] | This is Exponentiation precedence it's raise to the power |

[~ + -] | This is Complement, unary plus and minus precedence |

[* / % //] | This is Multiply, divide, modulo and floor division precedence |

[+ -] | This is Addition and subtraction precedence |

[>> <<] | This is Right and left bitwise shift precedence |

[&] | This is Bitwise 'AND'td> precedence |

[^ |] | This is Bitwise exclusive `OR' and regular `OR' precedence |

#### 3. Which operator has the lowest precedence in Python?

[<= < > >=] | This is Comparison operators precedence |

[<> == !=] | This is Equality operators precedence |

[= %= /= //= -= += *= **=] | This is Assignment operators precedence |

[is is not] | This is Identity operators precedence |

[in not in] | This is Membership operators precedence |

[not or and] | This is Logical operators precedence |

Tags: operator precedence in python- operator associativity ,lowest precedence,highest precedence.

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