Round down
Round down the given number. For example, 10.5 returns 10, and 1.12 returns 1.
Sample Code:
def roundDown(n):
# Enter your logic here...
Examples:
Input: 9.9
Output: 9
Explanation: 9 is the result of rounding down 9.9.
Input: 0.1
Output: 0
Explanation: 0 is the result of rounding down 0.1.
