Python coding problems

Master Python from basics to advanced concepts including OOP, file handling, libraries, and real-world applications.

Python coding problems
#	Problem	Difficulty	Topic
50	Hello World & Input/Output	Beginner	Getting Started
51	Data Types Explorer	Beginner	Variables & Types
52	String Manipulation Mastery	Easy	Strings
53	FizzBuzz with a Twist	Beginner	Conditionals
54	Grade Calculator with Edge Cases	Easy	Conditionals
55	Pattern Printing with Nested Loops	Easy	Loops
56	List Comprehension Challenges	Medium	Lists & Tuples
57	Function Decorators: Call Logger	Medium	Functions
58	Lambda, Map, Filter, Reduce	Easy	Functions
59	List Operations: Remove Duplicates Preserving Order	Easy	Lists & Tuples
60	Dictionary Deep Merge	Medium	Dictionaries & Sets
61	Class: Bank Account System	Medium	Classes
62	Inheritance & Polymorphism: Shape Hierarchy	Medium	Classes
63	NumPy-Style Array Operations	Easy	Lists & Tuples
64	Pandas-Style Sales Analysis	Medium	Files & Modules
65	Web Scraper: Extract Article Links	Medium	Files & Modules
66	Calculator Engine for a Tkinter GUI	Medium	Functions
134	Temperature Converter	Beginner	Variables & Types
135	Seconds to Clock Time	Beginner	Operators
136	Split the Bill	Easy	Operators
137	Name Initials	Beginner	Strings
138	Leap Year Check	Beginner	Conditionals
139	Cinema Ticket Price	Beginner	Conditionals
140	Triangle Classifier	Easy	Conditionals
141	Sum of Digits	Beginner	Loops
142	Collatz Steps	Easy	Loops
143	Run-Length Encoding	Easy	Loops
144	Password Strength Checker	Easy	Functions
145	ISBN-10 Validator	Easy	Functions
146	Second Largest Value	Easy	Lists & Tuples
147	Word Frequency Counter	Easy	Dictionaries & Sets
148	Common Elements	Easy	Dictionaries & Sets
149	Safe Integer Parser	Easy	Errors & Exceptions
150	CSV Grade Report	Easy	Files & Modules