Practical – 150 : Determine the sequence of execution based on operator precedence

✅ Operator Precedence in Python: Execution Order

In Python, operator precedence determines the order in which operations are evaluated in an expression. Operators with higher precedence are evaluated before those with lower precedence.

🔢 Python Operator Precedence (High to Low)

Precedence	Operators	Description
1 (highest)	()	Parentheses (Grouping)
2	**	Exponentiation
3	+x, -x, ~x	Unary plus, minus, bitwise NOT
4	*, /, //, %	Multiplication, Division, Modulus
5	+, –	Addition, Subtraction
6	<<, >>	Bitwise shift operators
7	&	Bitwise AND
8	^	Bitwise XOR
9	`	`
10	==, !=, >, <, >=, <=, is, in	Comparisons
11	not	Logical NOT
12	and	Logical AND
13	or	Logical OR
14 (lowest)	=, +=, -=, etc.	Assignment

🧠 Example to Understand Sequence:

result = 10 + 2 * 3 ** 2

Let’s break it step-by-step using operator precedence:

1. ** (Exponentiation): 3 ** 2 = 9
2. * (Multiplication): 2 * 9 = 18
3. + (Addition): 10 + 18 = 28

✅ Output:

print(result)  # Output: 28

📌 Example with Parentheses:

result = (10 + 2) * 3 ** 2

1. () first: 10 + 2 = 12
2. **: 3 ** 2 = 9
3. *: 12 * 9 = 108

✅ Output:

print(result)  # Output: 108

✅ Summary:

• Parentheses () override all precedence.
• Use parentheses to make expressions clear.
• Python follows standard math rules + adds logical and bitwise operator precedence.