About list derivation in Python

Why can the all function in the

list derivation be derived even if the object is not iterable?

all (.)

all(iterable) -> bool

Return True if bool(x) is True for all values x in the iterable.
If the iterable is empty, return True
   

Mar.21,2021

>>> import collections
>>> isinstance((y for y in range(1, 100)), collections.Iterable)
True
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b37338-4d712.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b37338-4d712.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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