About Lesson
Overview of Commonly Used Libraries
- math: Provides mathematical functions and constants.
- Functions:
sqrt(),pow(),sin(),cos(),log(), etc. - Constants:
pi,e.
python
import math print(math.sqrt(16)) # Output: 4.0 print(math.pi) # Output: 3.141592653589793 - Functions:
- datetime: Supplies classes for manipulating dates and times.
- Classes:
date,time,datetime,timedelta. - Methods:
today(),now(),strftime(),strptime().
python
from datetime import datetime now = datetime.now() print(now.strftime("%Y-%m-%d %H:%M:%S")) # Output: Current date and time - Classes: