Variables and Data Types🌱 Beginner

Python's syntax is heavily optimized for human readability. It eliminates unnecessary symbols, focusing entirely on logic and structure using Indentation.

What is Indentation-based Scoping?

In languages like JavaScript or Java, a function's logic is grouped inside curly braces {}. In Python, there are no curly braces. A block of code is defined entirely by how far it is indented (spaced) from the left margin.

Why is this Brilliant?

In other languages, developers often write messy, un-aligned code, relying on the compiler to figure out the curly braces. Python forces every developer on earth to format their code perfectly. If your indentation is wrong, the code literally will not run.

How to Write Basic Python

Notice the complete lack of semicolons ; and curly braces {}.

# Variables don't need 'let' or 'const'
user_age = 25
is_admin = True

# A simple function definition using 'def'
def check_access(age, admin_status):
    # Notice the colon (:) and the indentation below!
    if admin_status == True:
        return "Access Granted: Admin"
    elif age >= 18:
        return "Access Granted: Adult"
    else:
        return "Access Denied"

# Calling the function
result = check_access(user_age, is_admin)
print(result)