Leetcode Problem 709. To Lower Case

709. To Lower Case

Leetcode Solutions

Create a hashmap that maps each uppercase letter ('A' to 'Z') to its corresponding lowercase letter ('a' to 'z').
Initialize an empty string to store the result.
Iterate over each character in the input string.
For each character, check if it is an uppercase letter by looking it up in the hashmap.
If it is an uppercase letter, append the corresponding lowercase letter from the hashmap to the result string.
If it is not an uppercase letter, append the character as it is to the result string.
Return the result string.

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