OS/Subprocess Python Module

As a DevOps/System Admin everyday we encounter a task where we need to interact with OS. In this tutorial I am going to tell about some important Python module which we can use for this purpose

• os
• subprocess

Python Unit Testing(Pytest)

A good programmer always tests his code before merging moving his code to production. The way to do it is by writing automated test.

Pytest is a full-featured Python testing tool which means it does everything from test collection to run the test, to give…

Learn Python Fundamental in 30 Days — Day 3(Strings)

Strings is just a sequence of characters letters,special characters,space,digits

We can use single/double quote to represent a string

>>> x = “hello”

Learn Python Fundamental in 30 Days — Day 4(Lists)

• List is an ordered sequence that contains multiple values(mutuable sequence)
• Denoted by square brackets []
• Contain elements(homogeneous(all integers)/mixed types(not common))

Learn Python Fundamental in 30 Days — Day 2(Numbers)

Numbers: Python has various types of numbers

• Integers: are just whole numbers(positive or negative, eg: 1 or -1 )
• Floating point: Having decimal point in them(eg: 1.0 or -1.1)

Learn Python Fundamental in 30 Days — Day 1 (Introduction to Python)

• Python language created by Guido van Rossum
• It’s an interpreted,object-oriented and high level programming language.
• Python3 released in 2008 suppose to be…

Learn Python Fundamental in 30 Days — Day 6 (Tuples & Sets)

Tuples in python are immutable sequences of arbitrary objects,once created they cannot be changed(replaced/removed) and new elements cannot be added.

Learn Python Fundamental in 30 Days — Day 5 (Dictionaries)

Dictionaries are unordered mapping from unique immutable keys to mutable values. Dictionaries are delimited with curly braces and contain a comma separated key-value pairs with each pair tied together by a colon.

Learn Python Fundamental in 30 Days — Day 10(File Handling)

To open a file in Python we use built-in open() function which accept number of arguments

open(file,mode,encoding)

• file: path to file(required)

Learn Python Fundamental in 30 Days — Day 9(while/for loop)

With while loop we can make block of code executed as long as while statement is True

test = 0
while ( test < 5):
    print("hello")
    test = test + 1

hello
hello
hello
hello…