Referenced from lesson Solving Word Problems (Spring, 2021)
We’ve provided contracts and purpose statements to describe two different functions. Write examples for each of those functions.
Directions: upside-down
Contract and Purpose Statement |
Every contract has three parts…
# upside-down::Image->Image
# Consumes an image, and flips it upside down by rotating it 180 degrees.
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
Directions: product-squared
Contract and Purpose Statement |
Every contract has three parts…
# product-squared::Number, Number->Number
# Consumes two numbers and squares their product
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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