Letter Case Permutation
Understand how to generate all possible letter case permutations of a string that includes letters and digits. Learn to modify each letter independently to be either uppercase or lowercase for creating multiple variations. This lesson helps you implement the solution in Python, grasp fundamental concepts in subsets and permutations, and apply these skills in coding interviews.
We'll cover the following...
Statement
Given a string, s, consisting of letters and digits, generate all possible variations by modifying each letter independently to be either lowercase or uppercase while keeping the digits unchanged. Each letter in the s string can appear in both cases across different variations, resulting in multiple possible combinations. Return a list containing all such variations in any order.
Constraints: ...