What will be the value of the following Python expression?print(4 + 3 % 5)

Question

BlackTom AI · Accepted Answer

Let's break down the expression step by step and evaluate each component in the correct order.

Option a: 1
- If someone thought the expression was 4 + (3) % 5 and mistakenly did 4 + 3 and then did a modulo operation, they might end up with 1 in a misguided path. However, the actual modulo operation 3 % 5 yields 3, not 1, because 3 is less than 5 and the remainder is 3. So 4 + 3 would be 7, not 1.

Option b: 7
- The expression uses the modulo operator % with operands 3 and 5: 3 % 5 equals the remainder of dividing 3 by 5. Since 3 < 5, the remainder is 3. Then we add 4: 4 + 3 = 7. This aligns with Python’s operator precedence where modulo and addition are evaluated left to right after computing the modulo result itself.

Option c: 2
- A mistaken interpretation might subtract after modulo or apply modulo to the sum, but the correct flow is to compute 3 % 5 first (which is 3), then add 4. If someone tried 4 + (3) and then modulo 5, that would be (7) % 5 which equals 2, but that is not how the expression is written; the modulo operation is between 3 and 5, not applied to the entire sum.

Option d: 4
- Getting 4 would imply discarding the modulo result entirely or incorrectly applying modulo to only the 4. This overlooks the 3 % 5 component, which contributes the value 3 before adding to 4, so the final result cannot be 4.

Additional clarification on operator behavior:
- The modulo operator (%) returns the remainder after division. Since 3 divided by 5 is 0 remainder 3, 3 % 5 is 3.
- After evaluating 3 % 5 to 3, the expression becomes 4 + 3, which equals 7.

In summary, tracking the order of operations and the definition of the modulo operation leads to the result 7 for this expression.

What will be the value of the following Python expression?print(4 + 3 % 5)

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