Given a string `s`, return _the string after replacing every uppercase letter with the same lowercase letter_.

**Example 1:**

**Input:** s =  "Hello "
**Output:**  "hello "

**Example 2:**

**Input:** s =  "here "
**Output:**  "here "

**Example 3:**

**Input:** s =  "LOVELY "
**Output:**  "lovely "

**Constraints:**

*   `1 <= s.length <= 100`
*   `s` consists of printable ASCII characters.


def toLowerCase(s: str) -> str:
    return s.lower()
