Introduction to Python

Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability. Python uses significant indentation to define code blocks, and it supports multiple programming paradigms, including object-oriented, procedural, and functional programming.

Python is dynamically typed and garbage-collected. It supports a wide range of databases, including SQLite, MySQL, PostgreSQL, and Oracle.

Core Concepts

Data Types

Python offers several built-in data types, including integers, floating-point numbers, strings, lists, dictionaries, and tuples.

• Integers: Whole numbers (e.g., 10, -5, 0)
• Floats: Decimal numbers (e.g., 3.14, -2.5)
• Strings: Sequences of characters (e.g., "Hello, World!")
• Lists: Ordered, mutable sequences of items enclosed in square brackets [ ].
• Dictionaries: Collections of key-value pairs enclosed in curly braces { }.
• Tuples: Ordered, immutable sequences of items enclosed in parentheses ( ).

Control Flow

Python supports control flow statements like if-else statements and for/while loops for executing code based on conditions and iterating over sequences.