Alphabet Pattern K | Dataford Interview Questions

Draw pattern of alphabet like K.

Given an integer n, return the pattern as a list of strings. The pattern has 2n - 1 rows, uses letters from A onward, and contains each row's letter at the left edge and its matching diagonal position. Do not include trailing spaces. For n = 3, return ['A A', 'B B', 'C', 'B B', 'A A'].

Input: 1 <= n <= 26. Output: a list of strings.

Constraints

1 <= n <= 26
Letters are uppercase English letters from A through Z
The output contains exactly 2n - 1 strings
Rows must not contain trailing spaces

Function Signature

def alphabet_k_pattern(n):

Your question is Alphabet Pattern K. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

Draw pattern of alphabet like K.

Input: 1 <= n <= 26. Output: a list of strings.

Constraints

1 <= n <= 26
Letters are uppercase English letters from A through Z
The output contains exactly 2n - 1 strings
Rows must not contain trailing spaces

Function Signature

def alphabet_k_pattern(n):

Your question is Alphabet Pattern K. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.