Precedence and Associativity of Operators in Python
In Python, Operator precedence and associativity determine the priorities of the operator.
Operator Precedence in Python
This is used in an expression with more than one operator with different precedence to determine which operation to perform first.
Let’s see an example of how Operator Precedence in Python works:
Example: The code first calculates and prints the value of the expression 10 + 20 * 30, which is 610. Then, it checks a condition based on the values of the ‘name’ and ‘age’ variables. Since the name is “Alex” and the condition is satisfied using the or operator, it prints “Hello! Welcome.”
Python
expr = 10 + 20 * 30
print(expr)
name = "Alex"
age = 0
if name == "Alex" or name == "John" and age >= 2:
print("Hello! Welcome.")
else:
print("Good Bye!!")
Output
610 Hello! Welcome.
Operator Associativity in Python
If an expression contains two or more operators with the same precedence then Operator Associativity is used to determine. It can either be Left to Right or from Right to Left.
The following code shows how Operator Associativity in Python works:
Example: The code showcases various mathematical operations. It calculates and prints the results of division and multiplication, addition and subtraction, subtraction within parentheses, and exponentiation. The code illustrates different mathematical calculations and their outcomes.
Python
print(100 / 10 * 10)
print(5 - 2 + 3)
print(5 - (2 + 3))
print(2 ** 3 ** 2)
Output
100.0 6 0 512
To try your knowledge of Python Operators, you can take out the quiz on Operators in Python.
Python Operators
In Python programming, Operators in general are used to perform operations on values and variables. These are standard symbols used for logical and arithmetic operations. In this article, we will look into different types of Python operators.
- OPERATORS: These are the special symbols. Eg- + , * , /, etc.
- OPERAND: It is the value on which the operator is applied.
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