709. To Lower Case

🟩 Easy

Question

Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase.

Example 1:

Input: "Hello"
Output: "hello"

Example 2:

Input: "here"
Output: "here"

Example 3:

Input: "LOVELY"
Output: "lovely"

Code

def toLowerCase(self, str: str) -> str:
    lower = ""
    for c in str:
        lower += chr(ord(c) + 32) if ord(c) <= 90 and ord(c) >= 65 else c
    return lower