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What values are falsy in Python?

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01

Understand the problem

Explain truthiness.

truthiness
02

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03

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Falsy values include None, False, 0, 0.0, empty sequences/collections ('', [], {}, set()), and objects whose __bool__/__len__ says so. Everything else is truthy — enabling idioms like if items:.

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04

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PYThe falsy set, and the 0-vs-None trap
Practice
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