2025 May OPPE 1 - Set 1

Section 1 · Question 1

Describe Number Based on Divisibility

FizzBuzz variant returning "Fizz", "Buzz", "FizzBuzz", or "Normal". Covers modulo arithmetic and the importance of checking compound conditions first.

Solved

Section 1 · Question 2

Card to Value Tuple

Convert a playing card string like '10D' into a (suit_value, rank_value) tuple. Covers negative indexing and dict.get with fallback.

Solved

Section 1 · Question 3

Rotate Even Indices

Right-rotate the elements at even positions of a list by k steps, leaving odd-indexed elements untouched. Covers l[::2] slice assignment.

Solved

Section 2 · Question 1

Unique Sum Pairs

Return a set of sorted tuples where each pair sums to k. Covers Counter, same-value pair handling, and deduplication via sorted tuples.

Solved

Section 2 · Question 2

Replace Consonants with Hash

Read a multi-line passage and replace all consonants with #. Full I/O problem covering isalpha(), vowel checking, and ''.join().

Solved

Section 3 · Question 1

Text Frequency Analysis

Four-task text analyser: non-whitespace count, most frequent character, diverse word count, and highest character frequency word. Covers Counter and inner functions.

Solved

Section 3 · Question 2

Draw Arrow Trail

Print right/left arrows aligned by a cumulative position tracker. Full I/O pattern printing using string multiplication and position arithmetic.

Solved

📁 All slides for this set (GitHub)