Python Code Samples

create matrix and multiply using numpy in python

kishore_kumar | 7 years, 8 months

import numpy as np

matrix = [[1,2,3], [4,5,6], [7,8,9]]

python numpy

Python program for the largest number in an array

gaya38 | 7 years, 8 months

a = [1,43,98,5]#Dummy data
for l in range(len(a)-1):
        if (a[l]>a[l+1]):

python

Matplotlib pie chart replace auto labelled values with original values

kishore_kumar | 7 years, 6 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

template filters for slice string and print new lines in Django filters

kishore_kumar | 6 years, 9 months

<!-- will give first 100 characters from my_string -->
{{ my_string | slice:"100 "}}

html python django

how to iterate or get values in python dictionaries

kishore_kumar | 7 years, 8 months

sample_dict = { "number": 1, "fruits": ["apple", "mango", "banana"], "name": "kishore"}

for key i

python

Deleting Amazon EBS snapshots older than n days based on tags

Ramya | 7 years, 1 month

import sys
import boto3
import datetime

python aws boto3

Generate Random number within the range in python

gaya38 | 7 years, 8 months

import random
print random.uniform(10,500)

python

Connect to MySQL database with python mysql connector

kishore_kumar | 7 years, 1 month

# pip install mysql-connector

from mysql import connector

python mysql mysql-connector

Connect to mongo db using python and list of databases

kishore_kumar | 7 years, 2 months

import pymongo

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

pymongo python mongodb

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

Ramya | 6 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

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