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Questions and Answers
What is the order of evaluation for mathematical operators in Python?
What is the order of evaluation for mathematical operators in Python?
The order of evaluation is determined by the rules of precedence.
What does the acronym PEMDAS stand for?
What does the acronym PEMDAS stand for?
PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).
What is the highest precedence operator in Python?
What is the highest precedence operator in Python?
Parentheses have the highest precedence.
What is the result of the expression 2 * (3-1)?
What is the result of the expression 2 * (3-1)?
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What is the result of the expression (1+1)**(5-2)?
What is the result of the expression (1+1)**(5-2)?
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Study Notes
Operator Precedence in Python
- In Python, the order of evaluation for mathematical operators follows the PEMDAS rule.
- PEMDAS stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction".
Highest Precedence Operator
- The parentheses operator has the highest precedence in Python.
Evaluating Expressions
- The expression 2 * (3-1) evaluates to 4, because the parentheses are evaluated first, giving 2 * 2.
- The expression (1+1)(5-2) evaluates to 4, because the parentheses are evaluated first, giving 23.
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