Monday, 15 December 2025

Python Coding Challenge - Question with Answer (ID -161225)

 


Step 1: Understand if x:

In Python:

  • 0, None, False, "", [] → False

  • Any non-zero number (positive or negative) → True

Here:

x = -1

➡️ -1 is non-zero, so it is True


Step 2: if block executes

if x:
print("Non-zero")

Since x is True, Python enters this block and prints:

Non-zero

Step 3: elif and else are skipped

Once an if condition is True:

  • Python does NOT check elif

  • Python does NOT check else

So this part is never executed:

elif x == -1:
print("Minus One")
else:
print("Zero")

Final Output

Non-zero

๐Ÿ”‘ Key Concept (Tricky Point)

if x: does NOT check the value of x, it checks truthiness.

✔️ -1 → True
✔️ 1 → True
❌ 0 → False


๐Ÿ’ก Tip for Quizzes

To specifically check -1, always write:

if x == -1:

Mastering Pandas with Python

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