Write a function next-position, which takes in two numbers (an x- and y-coordinate) and returns a DeliveryState, increasing the x-coordinate by 5 and decreasing the y-coordinate by 5.

Contract and Purpose Statement

Every contract has three parts…​

_____________::_->_

_

Examples

Write some examples, then circle and label what changes…​

examples:

_____________ () is _

_____________ () is _

end

Definition

Write the definition, giving variable names to all your input values…​

fun _____________(_):

_

end

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