Day 15: Basics of Python for DevOps Engineers

What is Python?

Python is an open-source, general-purpose, high-level, and object-oriented programming language created by Guido van Rossum. It has a vast ecosystem of libraries and frameworks, such as Django, TensorFlow, Flask, Pandas, Keras, and many more.

How to Install Python

Windows Installation

1. Go to the Python website.

2. Download the latest version of Python.

3. Run the installer and follow the instructions.

4. Check the installation by opening a command prompt and typing:

    python --version
   

Ubuntu Installation

• sudo apt-get update

• sudo apt-get install python

macOS Installation

1. Download the installer from the Python website.

2. Follow the installation instructions.

3. Check the installation by opening a terminal and typing:

   • python3 --version

Tasks with Answers

Task 1:

1. Install Python on your respective OS, and check the version.

Answer:

2. Read about different data types in Python.

• Python supports several data types, which can be categorized as follows:

  • Numeric Types:

    • int: Integer values

      • x = 10

    • float: Floating-point values

      • y = 10.5

    • complex: Complex numbers

      • z = 3 + 5j

  • Sequence Types:

    • str: String values

      • name = "bhavin"

    • list: Ordered collection of items

      • fruits = ["apple", "banana", "cherry"]

    • tuple: Ordered, immutable collection of items

      • coordinates = (10.0, 20.0)

• Mapping Types:

  • dict: Key-value pairs

    • person = {"name": "bhavin", "age": 24}

• Set Types:

  • set: Unordered collection of unique items

    • unique_numbers = {1, 2, 3, 4, 5}

  • frozenset: Immutable set

    • frozen_numbers = frozenset([1, 2, 3, 4, 5])

• Boolean Type:

  • bool: Boolean values

    • is_active = True

• None Type:

  • NoneType: Represents the absence of a value

    • data = None