Python Code Samples

shuffle two lists and maintain order in python

kishore_kumar | 5 years, 4 months

import random

fruits = ['apples', 'mangoes', 'grapes', 'oranges']

python random

Read nth line in a file using python

kishore_kumar | 4 years, 5 months

file_ob = open('/path/to/file')
n = 4
for i, line in enumerate(file_ob):

python

delete files older than n days in a directory using python

kishore_kumar | 4 years, 3 months

import os
import time
base_path = '/home/kishore/my_files'

python os

Python: Vending Machine

Ramya | 4 years, 8 months

class SodaMachine:
    def __init__(self,product,price):
        self.product=product

python >>>from <file_name> import <class_name> >>>shop=class_name("product",price) #Instantiate

python

convert and decode base64 string into pdf using python

kishore_kumar | 4 years, 7 months

import base64

b64str = "a29kZXJwbGFjZQ=="

python base64

Example to use a DAG to run a jar file.

Reshma | 4 years, 7 months

from airflow import DAG
from airflow.operators import BashOperator
from datetime import datetime

python airflow jar

Matplotlib pie chart replace auto labelled values with original values

kishore_kumar | 5 years, 4 months

import matplotlib.pyplot as plt

labels = 'Grapes', 'Oranges', 'Mangoes', 'Apples'

*autopct*: [ *None* | format string | format function ] If not *None*, is a string or function

python matplotlib

generate random numbers matrix with numpy python

kishore_kumar | 5 years, 7 months

import numpy as np

random_arr = np.random.randint(1,50,9)

python numpy

Lambda code for Creating VPC flow log automatically when a VPC is created

Ramya | 5 years

from __future__ import print_function
import json
import os

lambda boto3 aws

List all files and folders using python os module

kishore_kumar | 5 years, 9 months

import os

def list_files_folders(path):

python python-os

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