1. Question 1

What is the value of evening_temp?

morning_temp = 22
evening_temp = morning_temp - 3

• ❌ 3

• ❌ 25

• ❌ 22

• ✅ 19

Explanation:
22 − 3 = 19.

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2. Question 2

Correct Python expression for the final bill:

Food = 40
Drinks = 12
Service charge = 15% on total

• ❌ 40 + 12 * 1.15

• ❌ (40 + 12) * 0.15

• ❌ (40 * 0.15) + (12 * 0.15)

• ✅ (40 + 12) * 1.15

Explanation:
Total = (40 + 12) = 52
Final = 52 × 1.15

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3. Question 3

Python’s dynamic typing system:

• ❌ Variables have no type until used

• ❌ Requires explicit declarations

• ❌ Can only hold one type

• ✅ Python automatically determines variable types based on assigned values

Explanation:
Python decides the variable type at assignment time.

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4. Question 4

Convert True to integer:

• ❌ 0

• ❌ “True”

• ❌ Error

• ✅ 1

Explanation:
int(True) → 1
int(False) → 0

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5. Question 5

Difference between string concatenation and numeric addition:

• ❌ Converts numbers to text

• ❌ Produces identical results

• ❌ Requires len()

• ✅ String concatenation joins text; numeric addition performs arithmetic

Explanation:
"a" + "b" = "ab"
3 + 4 = 7

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6. Question 6

Transform "data science basics" to "Data Science Basics":

• ❌ upper()

• ❌ proper() (not a Python method)

• ❌ capitalize() → Only first word becomes uppercase

• ✅ article_title.title()

Explanation:
.title() capitalizes every word.

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7. Question 7

What does text[0:5] return for "Hello World"?

• ❌ “Hello ”

• ❌ “ello”

• ✅ “Hello”

• ❌ “Hello World”

Explanation:
Slice includes characters at index 0,1,2,3,4.

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8. Question 8

What characteristic of Python supports wide adoption?

• ✅ Readability and a flat learning curve

• ❌ Requires advanced math

• ❌ Only works on Windows

• ❌ For scientific computing only

Explanation:
Python is popular because it’s easy to read and learn.

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9. Question 9

Why use Jupyter Notebook for presenting findings?

• ❌ Only displays tables

• ❌ Auto-generates PowerPoints

• ❌ Hides technical details

• ✅ Allows code, text, and visuals together in a narrative flow

Explanation:
Notebooks mix code + markdown + charts for storytelling.

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10. Question 10

Output of:

• ❌ Python is awesome

• ❌ Python is \awesome

• ❌ Error

• ✅ Python is “awesome”

Explanation:
\" escapes the quote to print it.

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🧾 Summary Table

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