PARTICIPATION ACTIVITY

$8\mathrm{.}5\mathrm{.}4$: Multi$-$dimensional lists.

Assume the following list has been created

scores $=[$

$[75,100,82,76],$

$[85,98,89,99],$

$[75,82,85,5]$

$]$

$1)$

Write an indexing expression that gets the element from scores whose value is $100.$

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$2)$

How many elements does scores contain? $($The result of len$($scores$))$

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