Given the nested if-else structure below, what will be the value of x after code execution completes X = 4 a=0 b = -3 if a > 0: if b < 0: X = x + 5 elif a > 5: else: X=X+4 else: x = x + 3 x= x + 2 print(x) 8 7

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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20 python

 

**Question 20**

Given the nested if-else structure below, what will be the value of x after code execution completes?

```plaintext
x = 4
a = 0
b = -3
if a > 0:
    if b < 0:
        x = x + 5
    elif a > 5:
        x = x + 4
    else:
        x = x + 3
else:
    x = x + 2
print(x)
```

Options:
- ⬤ 8
- ○ 6
- ○ 9
- ○ 7

**Explanation:**

- Initially, `x = 4`, `a = 0`, and `b = -3`.
- The first condition `if a > 0:` is false since `a = 0`.
- Therefore, the code executes the `else:` block associated with `if a > 0:`.
- This means `x = x + 2`, resulting in `x = 4 + 2 = 6`.
- The final value printed is 6.

Correct answer: **6**
Transcribed Image Text:**Question 20** Given the nested if-else structure below, what will be the value of x after code execution completes? ```plaintext x = 4 a = 0 b = -3 if a > 0: if b < 0: x = x + 5 elif a > 5: x = x + 4 else: x = x + 3 else: x = x + 2 print(x) ``` Options: - ⬤ 8 - ○ 6 - ○ 9 - ○ 7 **Explanation:** - Initially, `x = 4`, `a = 0`, and `b = -3`. - The first condition `if a > 0:` is false since `a = 0`. - Therefore, the code executes the `else:` block associated with `if a > 0:`. - This means `x = x + 2`, resulting in `x = 4 + 2 = 6`. - The final value printed is 6. Correct answer: **6**
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