import package python code example

Example 1: using python function by import

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

Example 2: how to import python

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

Example 3: python import

from time import sleep
# or import time

a = 10
sleep(4) # sleep function from time library
print(a)

Example 4: python module

Simply, a module is a file consisting of Python code. A module can 
define functions, classes and variables. A module can also include 
runnable code that you can call with abitrary names attached to them.

Example 5: import library python

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

Example 6: importing modules with package in python

from pakage_name.module_name import function_name
# now we can directly use function

##################################  OR  ########################################

from pakage_name import module_name
# now we have to use module_name.function_name