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$,?$

List input and output and new insertion

Which of the following is wrong with regard to importing and

exporting and adding new insertions to lists?

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a$.($insert$)($Insert means that it can be added at

any position$)$

b$.($add$)($Add is added to the front$)$

c$.$split$($You can use the split element to read

in the list items$)$

d$.$list to csv row list$($ou can use list to csv row list to

output the list$)$

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list directive

Which of the following commands is designed for mobile screens to

provide a selection of list items

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a$.$ is a list

b$.$ make a list

c$.$ look up in pairs

d$.$ ListPicker