Python Code Samples

get sublist or sub matrix of numpy arrays

kishore_kumar | 6 years, 12 months

import numpy as np
random_arr = np.random.randint(1,50,9)
mat1 = ran.reshape(3,3)

python numpy

delete files older than n days in a directory using python

kishore_kumar | 5 years, 8 months

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

python os

Read nth line in a file using python

kishore_kumar | 5 years, 10 months

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

python

convert and decode base64 string into pdf using python

kishore_kumar | 6 years

import base64

b64str = "a29kZXJwbGFjZQ=="

python base64

Python: Vending Machine

Ramya | 6 years, 1 month

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

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

python

Example to use a DAG to run a jar file.

Reshma | 5 years, 11 months

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

python airflow jar

generate random numbers matrix with numpy python

kishore_kumar | 6 years, 12 months

import numpy as np

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

python numpy

List all files and folders using python os module

kishore_kumar | 7 years, 2 months

import os

def list_files_folders(path):

python python-os

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

Ramya | 6 years, 5 months

from __future__ import print_function
import json
import os

lambda boto3 aws

use python requests to get contents of url ( get request )

kishore_kumar | 6 years, 12 months

import requests

req = requests.get("https://httpbin.org/get")

python python-requests

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