what can I import from a python module code example

Example 1: import all from library python

from something import *

Example 2: using python function by import

(in python3) ---
from .filename import function_name

Example 3: how to import python

import random
from os import name, system
import time as t

Example 4: import library python

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt