Py Tuples Sets — Free Python Tutorial
Learn Py Tuples Sets in Python with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
TL;DR: Learn Py Tuples Sets in Python with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
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Py Tuples Sets in Python
Python has 4 main collection types: list (ordered, mutable), tuple (ordered, immutable), set (unordered, no duplicates), dict (key-value pairs). Choosing the right one matters for correctness and performance.
Tuple: Like a list but immutable (can't be changed after creation). Use tuples for data that shouldn't change: coordinates (x, y), RGB colours (255, 0, 0), database records. Tuples are faster than lists and can be used as dictionary keys.
Set: Unordered collection with NO duplicates. Automatically removes duplicates when you add elements. Excellent for: removing duplicates from a list, checking membership (in operator is O(1) — instant), set operations (union ∪, intersection ∩, difference −).
Py Tuples Sets — Syntax
# Tuple — immutable
point = (10, 20)
colours = ("red", "green", "blue")
# Set — no duplicates, unordered
unique_marks = {85, 72, 85, 91, 72} # becomes {72, 85, 91}
# Set operations:
set_a | set_b # union
set_a & set_b # intersection
set_a - set_b # difference
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