Why Does all(()) Return True While any(()) Returns False in Python?

Hello, I am a Python advanced learner.

1. Introduction

Recently, in the "Python strongest king" group, a member asked why the built‑in function all(()) returns True while any(()) returns False. The question is shown below.

The asker wanted to understand the reason behind this behavior.

2. Explanation

Community member "Jie" provided an analysis, illustrated in the following image:

Another member "dcpeng" offered a different explanation:

Later, "YueShen" examined the source code and presented a clear breakdown:

Additional insights and a custom parsing suggestion were also shared:

3. Summary

This article collected a Python fundamentals question, presented several community‑derived explanations and code snippets, and helped readers understand why all(()) evaluates to True and any(()) evaluates to False.