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Getting Started with Python: 7 Easy Steps to Learn Programming Basics

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Getting Started with Python and PyCharm Setup Video

Getting Started with Python: 7 Easy Steps to Learn Programming Basics

Getting started with Python is the perfect first step for anyone who wants to learn programming. Before we start coding in Python, let’s go over some basic but important ideas that will help you code with confidence.

1. What is Programming?

Programming is a set of instructions that we give to a computer.

In simple words, programming is nothing but telling the computer what to do.

But here’s an important question: what is the language that a computer understands?

A computer doesn’t understand English, Hindi, or any human language. It only understands binary numbers.

2. What is Binary?

Binary is the language of computers. It uses only 0s and 1s.

Think of it like a light switch:

Everything you see on a computer — programs, games, videos, images — is stored and processed in binary.

3. How Do We Tell the Computer What to Do?

We use programming languages like Python, C++, or Java. These languages are easier for humans to read and write. Later, they are converted into binary so the computer can understand.

4. Tools That Help Computers Understand Programs

There are two main tools that help translate human-friendly code into binary:

Interpreter

An interpreter reads your program line by line and executes it immediately.
Example: Python uses an interpreter.

Compiler

A compiler reads your whole program first, converts it into binary, and creates a file that runs fast.
Example: C++ uses a compiler.

Interpreter vs Compiler – [ Office Story ]

Imagine an office with 2 employees:

Their manager gives them 5 tasks:

1. Come to the office

2. Go to the cafe

3. Buy a coffee

4. Book a read  – (Typing error)

5. Go to home

Alice (Interpreter Approach)

Alice does one task at a time.

       Task                     Status

Alice stops immediately and says:

“Task 4 has an error! I can’t continue.”

Lesson: Interpreter runs step by step and stops at the first error.

Bob (Compiler Approach)

Bob first looks at all tasks before doing any:

Bob sees all errors at once and fixes them before starting.
Then he completes all tasks smoothly.

The compiler shows all errors at once. The programmer (employee) fixes the errors first and then runs the program.

Quick Comparison

Approach How it Works Result
Interpreter Step by step, stops at the first error Stops at Task 4, Task 5 not done
Compiler Checks all tasks first, shows all errors
Errors fixed first, then all tasks run smoothly

Takeaway:

Getting Started with Python: Why It Uses an Interpreter


Python was created by Guido van Rossum between 1990–1992.
He decided that Python will use an interpreter as its translator.

From that day, Python has always used an interpreter, This makes debugging and testing quick and easy for beginners who are getting started with Python.

PyCharm Example – Showing Interpreter in Action

Let’s see how the Python interpreter works in PyCharm.

Suppose you write these instructions:

print(1)
print(2)
print(3)
prin(4) # <-- Typo error
print(5)

What Happens When You Run This Code

  1. Line 1, 2, 3 execute successfully 
    Output:

  2. 1
2
3


    Line 4     has a typo (prin instead of print) 
    Python interpreter stops immediately and shows an error:

    NameError: name 'prin' is not defined


    1. Line 5       does not execute

    Why This Happens

    • Python uses an interpreter → executes code line by line

    • Stops at the first error → makes debugging easy

    How to Download and Set Up Python and PyCharm

    If you prefer watching instead of reading, here’s a complete video guide where I show how to install Python, set up PyCharm, and create your first project step-by-step.

    This video will help you follow along easily while setting up your own Python environment.

    [ Step 1: Download Python ]

    1. Go to https://www.python.org/downloads/

    2. Click on the Download Python button (choose the latest version).

    3. Run the setup file.

    4. Important: Check the box that says “Add Python to PATH” before clicking Install Now.

      [ Step 2: Download PyCharm ]

    1. Go to https://www.jetbrains.com/pycharm/download/

    2. Choose Unified Product (Free).

    3. Install it just like any other software.

             [ Step 3: Create Your First Project ]

    1. Open PyCharm.

    2. Click on New Project → Select your Python interpreter.

    3. Create a new file (e.g., first.py).

    4. Write your first code:

    5. print("Hello, Python!")

      1. Run it!

      You’re Ready to Code!

      Now you’ve learned:
      1. What is programming
      2. What is binary
      3. Difference between an interpreter and a compiler
      4. How the Python interpreter works
      5. How to install Python and PyCharm

      Great job! You’re all set to start your Python journey.

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