Python Learning: Tuple tuples

1Tuple definitions:

1. Description: Tuples can not be modified, usually enclosed in parentheses.
2. Example:

#一般元组>>> 1 (2, 3) >>> (1, 2, 3)#一个元素的元组>>> (1,) (1,) >> > 2, (2,)#空元组 #元组的乘法

2Tuple function

1. Description: Converts a sequence to a tuple, using a series parameter;
2. Example:

>>>tuple("CONSTANT")(' C ',' O ',' N ',' S ',' T ',' A ',' N ',' T ') >>>tuple(List("CONST"))(' C ',' O ',' N ',' S ',' T ') >>>

3The meaning of the tuple:

1. Tuples can be used as keys in mappings;
2. Tuples exist as return values for many of the built-in functions and methods.

Python Learning: Tuple tuples