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What are the differences between lists, tuples, and dictionaries in Python?

王林

Jul 17, 2020 am 11:16 AM

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The differences between lists, tuples, and dictionaries in python are: 1. Tuples are immutable, while lists and dictionaries are mutable; 2. Lists cannot be used as key values in dictionaries, while tuples are immutable. Groups are OK, and the keys of the dictionary are unique; 3. Tuples represent structures, while lists represent order.

What are the differences between lists, tuples, and dictionaries in Python?

The differences between lists, tuples, and dictionaries are as follows:

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1. Tuples are immutable, while lists and dictionaries are mutable

Tuples are immutable objects. Once the object is generated, its value cannot be changed. ; A list is a mutable object. After the object is generated, its elements can be changed, added, deleted, cleared, sorted, etc.

2. Tuples are usually composed of different data, while lists are the same data queue

Tuples represent structures, while lists represent sequences. Lists have far greater permissions than tuples.

3. Lists cannot be used as dictionary key values, but tuples can. Dictionary keys are unique.

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