1. List (Ordered & Mutable)
- Stores mixed data types
- Supports indexing and slicing
- Common methods: append(), remove(), pop(), sort()

python
my_list = [1, 2, 3, apple]
my_list.append
print(my_list[2]) Output: 3


2. Tuple (Ordered & Immutable)
- Cannot be changed after creation
- Great for fixed collections

python
my_tuple = (10, 20, 30)
print(my_tuple[1]) Output: 20


3. Dictionary (Key-Value Pairs)
- Keys are unique
- Fast for lookups
- Mutable and dynamic

python
student = name: Amit, age: 21
print(student[name]) Output: Amit
student[age] = 22


4. Set (Unordered & Unique)
- No duplicates allowed
- Useful for set operations: union, intersection

python
nums = 1, 2, 3, 2
print(nums) Output: 1, 2, 3
nums.add(4)


Use:
- List: Ordered collections
- Tuple: Fixed values
- Dict: Mapping data
- Set: Unique elements

(Bitten) tis re all confusing, I learn better by practice