Statements:

a$.$ Usually, you iterate over a tuple$$s elements.

b$.$ Like list indices, tuple indices start at $0.$

c$.$ The following code creates time$\_$tuple representing an hour, minute, and second, displays the tuple, then uses its elements to calculate the number of seconds since midnight:

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In $[1]$: time$\_$tuple $=(9,16,1)$ In $[2]$: time$\_$tuple Out$[2]$: $(9,16,1)$ In $[3]$: time$\_$tuple$[0]*3600+$ time$\_$tuple$[1]*60+$ time$\_$tuple$[2]$ Out$[3]$: $33361$

d$.$ Assigning a value to a tuple element causes a TypeError.