Python Programming Python Code Samples

PYTHON: To download AWS ELB access log files from S3 bucket based on last modified time

Ramya | 4 years, 3 months

import boto3
import datetime
from datetime import datetime,timedelta,date

Before using this script, you need to set up AWS CLI first as below: ubuntu@ip-172-31-46-2:~$ aws

python boto3 s3

Get current environment variables in python

kishore_kumar | 5 years, 10 months

import os
env = os.environ

python python-os

Python Script to create AWS beanstalk

sandeep | 5 years, 11 months

#!/usr/bin/python
  
import boto

python aws beanstalk

fetch all documents from mongo db collection using python

kishore_kumar | 5 years, 2 months

import pymongo

client = pymongo.MongoClient("mongodb://localhost:27017")

pymongo python mongodb

Usage of Operator functions instead of lambda functions

harika | 5 years, 3 months

import functools
import operator
list = [1, 2, 3, 4, 5]

Both lines generates the same result

lambda operator python

Shuffle list elements in python

gaya38 | 5 years, 8 months

import random;
z = [1,90,4,2]
z = random.shuffle(z)

python

json string to python dictionary using json module

kishore_kumar | 5 years, 5 months

import json

my_str = '{"1": 4, "4": 2, "5":3 }'

python json

How to connect to PostgreSQL database and display list of tables in python

kishore_kumar | 5 years, 2 months

import psycopg2

conn = psycopg2.connect(host="localhost", database="mydb", user="kishore", passwo

python psycopg2 postgresql

Difference between normal def defined function and lambda function in Python

Ramya | 4 years, 10 months

li = [4,65,65,23,86,343,75,3,7,5,87,34,56,64,90] 
final_list = list(filter(lambda x: (x%2 == 0) , l

lambda python

Use map function in python

kishore_kumar | 5 years, 8 months

def get_double(num):
    return num * 2

python

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