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36 lines
648 B
36 lines
648 B
def add(a, b)
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puts "ADDING #{a} + #{b}"
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a + b
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end
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def subtract(a, b)
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puts "SUBTRACTING #{a} - #{b}"
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a - b
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end
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def multiply(a, b)
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puts "MULTIPLYING #{a} * #{b}"
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a * b
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end
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def divide(a, b)
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puts "DIVIDING #{a} / #{b}"
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a / b
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end
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puts "Let's do some math with just functions!"
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age = add(30, 5)
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height = subtract(78, 4)
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weight = multiply(90, 2)
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iq = divide(100, 2)
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puts "Age: #{age}, Height: #{height}, Weight: #{weight}, IQ: #{iq}"
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# A puzzle for the extra credit, type it in anyway.
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puts "Here is a puzzle."
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what = add(age, subtract(height, multiply(weight, divide(iq, 2))))
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puts "That becomes: #{what} Can you do it by hand?"
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