Introduction to Python
Overview of Python
Title | Concept | Description |
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Introduction and Historical Background | Python is a high-level, interpreted programming language known for its simplicity and readability. | Widely used in web development, data analysis, artificial intelligence, and scientific computing. |
Applications and Popularity of Python | Versatile applicability in various domains such as web development, data science, machine learning, and automation. | Preferred by developers due to its clear syntax and extensive library support. |
Setting Up Python
Title | Concept | Code (if applicable) |
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Installation of Python Interpreter | Install Python from the official website or using package managers like pip . |
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Choosing an IDE for Python | IDEs like PyCharm, VS Code, or Jupyter provide features for efficient coding. | - |
Running Python Code | Execute Python scripts using the command line or IDE's built-in execution tools. | - |
Python Syntax Basics
Title | Concept | Description |
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Importance of Indentation | Python uses indentation to define code blocks and maintain structure. | Consistent indentation is crucial for readability and ensures proper code execution. |
Comments and Documentation Usage | Comments using # for single-line comments and ''' ''' for multi-line comments. |
Provide clarity and context to the code for better understanding and maintenance. |
Understanding Python Statements | Python statements are instructions that perform actions or operations. | Statements can be assignments, loops, conditions, or function calls. |
Python Fundamentals
Variables and Data Types
Title | Concept | Code |
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Concept of Variables in Python | Variables store data values and are dynamically typed in Python. | variable_name = value |
Exploring Built-in Data Types in Python | Numeric (int, float), Sequence (list, tuple), Text (str), Boolean, Dictionary, Set. | - |
Operators in Python
Title | Concept | Code |
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Arithmetic, Comparison, Logical Operators | Perform mathematical operations, compare values, and evaluate logical expressions. | +, -, /, *, ==, !=, and, or, not |
Assignment, Membership, and Identity Operators | Assign values, check membership, and verify object identity. | =, in, not in, is, is not |
Control Flow Statements
Title | Concept | Code |
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Conditional Statements (if, elif, else) | Execute code based on conditions. | if condition1: |
Looping Statements (for loops, while loops) | Iterate through sequences or execute code repeatedly. | for item in iterable: |
Optimizing Control Flow | Use loops efficiently and write concise conditional statements. | - |
Functions in Python
Title | Concept | Code |
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Defining and Implementing Functions | Functions are blocks of reusable code defined using def keyword. |
def func_name(parameters): |
Parameters, Arguments, and Return Values | Functions can accept parameters, which are placeholders for arguments passed during function invocation. | def greet(name): |
Lambda Functions and Recursion | Lambda functions are anonymous functions, and recursion is a function calling itself based on a termination condition. | lambda x: x**2 |
Data Structures in Python
Lists
Title | Concept | Code |
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Creating and Manipulating Lists | Lists are ordered, mutable collections in Python that can hold mixed data types. | my_list = [1, "apple", True] |
Accessing and Slicing List Elements | Indexing and slicing enable accessing specific elements or sublists from a list. | first_elem = my_list[0] |
Operations and Functions on Lists | Use built-in functions like len() , sort() , and methods like index() , count() . |
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Tuples
Title | Concept | Code |
---|---|---|
Defining Tuples and Tuple Operations | Tuples are immutable sequences enclosed in () and support similar operations to lists. |
my_tuple = (1, "apple", True) |
Packing and Unpacking Tuples | Packing multiple values into a tuple and unpacking values into variables. | packed = 1, 2, 3 |
Dictionaries
Title | Concept | Code |
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Creating, Accessing, and Modifying Dictionaries | Dictionaries store key-value pairs and allow efficient data retrieval. | my_dict = {"key1": "value1", "key2": 2} |
Methods and Operations on Dictionaries | Utilize methods like get() , keys() , values() , and operations like updating and deleting entries. |
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Sets
Title | Concept | Code |
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Introduction to Set Data Structure | Sets contain unique elements and support mathematical set operations. | my_set = {1, 2, 3, 3, 4} |
Set Operations and Methods | Perform operations like union, intersection, difference, and use methods like add() , remove() . |
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Working with Files in Python
Reading and Writing Files
Title | Concept | Code (if applicable) |
---|---|---|
Open, Read, Write, and Close Operations | Open files with open() , read/write using read() , write() , and close files afterward. |
file = open("file.txt", "r") |
File Reading Techniques | Read files line by line or in one go using methods like readline() , readlines() . |
for line in file: |
File Writing Procedures | Write data to files either all at once or incrementally using methods like write() , writelines() . |
new_file = open("newfile.txt", "w") |
Understanding File Handling Modes | Various modes like read (r ), write (w ), append (a ), binary (b ) affect file operations. |
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Working with CSV and JSON Files
Title | Concept | Code (if applicable) |
---|---|---|
Reading and Writing CSV Files | Use libraries like csv to handle CSV files for reading and writing data. |
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Reading and Writing JSON Files | Use json library to work with JSON files, read/write JSON data in Python. |
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Error Handling for File Operations | Implement error handling using try-except blocks to manage file-related exceptions. |
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File Management and Directory Operations
Title | Concept | Code (if applicable) |
---|---|---|
Navigating the File System | Use functions like os.getcwd() , os.chdir() , os.listdir() for file system interaction. |
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Directory Creation and Deletion | Create and remove directories using os.mkdir() , os.rmdir() . |
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File Renaming and Movement | Rename and move files between directories with os.rename() , shutil.move() . |
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Error Handling and Debugging
Exceptions in Python
Title | Concept | Code (if applicable) |
---|---|---|
Understanding Exception Handling | Exceptions are runtime errors that disrupt the normal flow of a program. | try: |