import sys
  print(sys.version)    # Prints Installed python Version

import os

print(os.getcwd())   # Shows PWD

print(os.chdir("/etc/ansible/hosts"))   # Change Directory (// or / backslash both works here..)

print(os.mkdir("/home/repl/testdir"))   # Create Directory

os.rmdir("/home/repl/testdir")         # Removes a Directory

os.remove("/home/repl/testdir/demo.txt")  # Removes the file

os.path.join("D:\\home\\repl\\testdir","D:\\home\\repl\\testdir\\demo.txt")  # Joins the path (o/p /home/repl/testdir/demo.txt)

os.path.split("D:\\home\\repl\\testdir")  #Splits the path and File (O/p : D:\\home\\repl\\testdir "demo")

print(os.path.exists("D:\\home\\repl\\testdir")) # Return True/ False if path Exists

Module Let's you interact with OS + Create New Processes + Pass Info Into or Out Of it + get return Codes

import math

print(math.pi)
print(math.e)
print(math.degrees(0.1))
print(math.asin(0.5))   # a because we want values in radian
print(math.acos(0.5))
print(math.exp(2))
print(math.log(10,10))  #log10 base 10

Used to generate Random numbers 


import random

print(random.randrange(50))        # Print Random number <=50
print(random.randrange(10,50))     # Print random number between a range
print(random.randrange(10,50,10))  # Print random number between a range and step size of 10 ( 10,20,20)
print(random.randint(0,20))        # print random int number between a range 

import datetime

print(datetime.date.today())  # Displays the Current date

# ARITHEMETIC FUNCTION OF DATETIME OBJECT (Attributes are Days, seconds and microseconds)
now = datetime.datetime.today()
other = datetime.datetime(1994,10,10,17,59)
print(now-other)

Popular in Communicating between Web Servers and Clients + Converts python objects to serialize representations(JSON OBJECTS) 



import json
Employees_data= '''
{
"Employees" : [
 {
"userId":"rirani",
"jobTitleName":"Developer",
"firstName":"Romin",
"lastName":"Irani",
"preferredFullName":"Romin Irani",
 "employeeCode":"E1",
 "region":"CA",
 "phoneNumber":"408-1234567",
 "emailAddress":"[email protected]"
 }
]
}
'''
print(Employees_data)

#Conversion 
data= json.loads(Employees_data)
print(data)