Python & JavaScript Learning Journey

Overview

This repository is a hands-on collection of Python and JavaScript practice files covering core programming concepts, object-oriented programming, array/list algorithms, DOM manipulation, and LeetCode problem solutions. It tracks learning progress from fundamentals through to advanced OOP patterns and coding challenges.

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Repository Structure

python-learning/
├── Python Scripts (root)       # Core Python exercises & algorithms
├── JavaScript Scripts (root)   # JS fundamentals & DOM exercises
├── Web Files (root)            # HTML & CSS files
├── OOPS/                       # OOP inheritance deep-dive
└── Leetcode/                   # LeetCode problem solutions

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Table of Contents

1. Python — Core Exercises
2. Python — Array & List Algorithms
3. Python — OOP (OOPS folder)
4. JavaScript — Fundamentals
5. Web — HTML & CSS
6. LeetCode Solutions

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1. Python — Core Exercises

File	Description
common_elements.py	Find common elements between two lists
dunder.py	Dunder (magic) methods in Python
employee.py	Employee class — OOP basics (class, attributes, methods)
finding_element_index.py	Find the index of an element in a list
guess_game.py	Number guessing game using a while loop
list_operations_demo.py	Demo of common list operations
merge_two_list.py	Merge two lists into one
missing_number.py	Find the missing number in a sequence
remove_duplicates.py	Remove duplicate values from a list
second_largest_element.py	Find the second largest element in a list
sort Array.py	Sort an array
sum_of_elements.py	Calculate the sum of list elements
swap_without_temp.py	Swap two variables without a temporary variable
without_moduler.py	Check odd/even without the modulo operator
Move All Zeros to the End.py	Move all zeros to the end of an array

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2. Python — Array & List Algorithms

File	Description
sliding_window_sum.py	Sliding window sum of a fixed-size window
max_sliding_window_sum.py	Maximum sum using the sliding window technique
max_subarray_sum_length4.py	Maximum subarray sum of length 4

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3. Python — OOP (OOPS/ folder)

File	Description
single_inheritence.py	Single inheritance example
python_multi_level_inheritance.py	Multi-level inheritance
practice_multilevel_inheritence.py	Practice: multi-level inheritance
multiple_inheritence_example.py	Multiple inheritance basics
multiple_inheritence_example1.py	Multiple inheritance — example 2
practice_multiple_inheritence.py	Practice: multiple inheritance
python_multiple_inheritance_demo.py	Full demo of multiple inheritance
multiple_and_multilevel_inheritance.py	Combined multiple & multilevel inheritance
hierarchical_inheritence.py	Hierarchical inheritance
hybrid_inheritence.py	Hybrid inheritance
hybrid_inheritence_example1.py	Hybrid inheritance — example with diagram comments
method_overriding_function.py	Method overriding
super_function_example.py	Using super() in inheritance
is_sub_class_function.py	issubclass() and isinstance() built-in functions
Product_of_array.py	Product of array elements (algorithm practice)
Increasing_Triplet_Subsequence.py	Increasing triplet subsequence (algorithm practice)

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4. JavaScript — Fundamentals

File	Description
first.js	First JavaScript program
functions.js	Function declarations and expressions
function_call.js	Calling functions
function_test.js	Function testing examples
multiple_return.js	Functions with multiple return values
wrong_function.js	Common function mistakes and fixes
arrays.js	Array basics
array_length.js	Array length property
append.js	Appending elements to arrays/DOM
loop.js	Loop basics
while.js	While loop examples
else_with_while.js	Using else with while loops
for_in.js	for...in loop
odd_or_even.js	Odd or even check
Access_object_value.js	Accessing object properties
Dom.js	DOM manipulation
script.js	General script examples
test.js	Test / scratch file
prompt_version.js	Using prompt() for user input
prompt_without_paras.js	prompt() without parameters
using_prompt_inside_function.js	prompt() inside a function
undeclared_version.js	Undeclared variables and var/let/const scoping

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5. Web — HTML & CSS

File	Description
index.html	Main HTML page
new.html	Additional HTML page
style.css	Stylesheet

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6. LeetCode Solutions

File	Problem	Topic
Leetcode/Leetcode_283.py	#283 — Move Zeroes	Array, Two Pointers
Leetcode/leetcode_605.py	#605 — Can Place Flowers	Array, Greedy