Detailed introduction to python data type tuples

This article describes the detailed introduction of python data type tuples

Tuples are actually a read-only list that cannot be added or changed, and can only be queried

For immutable information, Using tuples: For example, the two methods of data connection configuration

tuples: index, count

>>> r = (1,1,2,3)
>>> r.count(1)
>>> r.index(1)  # index 只索引到第一处
>>>

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