Write a function called line-length, which takes in two numbers and returns the positive difference between them. It should always subtract the smaller number from the bigger one. If they are equal, it should return zero.

Contract and Purpose Statement

Every contract has three parts…​

___________::______________->______

_

Examples

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

examples:

line-length (10, 5) is 10 - 5

line-length (2, 8) is 8 - 2

end

Definition

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

fun ___________(____):

___________

___________

end

end

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