Python Object Equality Made Simple | Identity vs Equality (eq Method)
In Python, two objects can look the same… but not actually be the same.
This lesson explains the difference between identity comparison (is) and equality comparison (==), and how Python determines whether two objects are equal using the special __eq__() method.
If you're learning object-oriented programming, this concept is critical.
You’ll understand:
• What identity comparison really means
• How Python compares object memory vs object value
• Why == and is behave differently
• How the __eq__() method works
• When __eq__() executes automatically
• How to compare object attributes (rank & suit example)
This topic is foundational for writing clean, predictable Python code — especially when building classes.
📌 Timestamps:
00:00 – Identity comparison
00:31 – Creating the Card class
00:57 – Comparing Card objects
01:36 – The __eq__() method
02:13 – __eq__() syntax
03:11 – When does __eq__() execute?
03:53 – Comparing rank attributes
04:32 – Comparing ranks and suits
This lesson is part of free computer science courses offered by Khan Academy — providing world-class education for anyone, anywhere.
Start coding and track your progress today.
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