~azzar1/unity/add-show-desktop-key

<exercise name = "Fibonacci numbers">

    <desc>Write a function <code>fib(n)</code> which returns the nth fibonacci

        number.</desc>

    <partial>

<![CDATA[

def fib(n):

  # Write your function here.

]]>

    </partial>

    <solution>

<![CDATA[

def fib(n):

  import numpy

  return int((numpy.matrix([[0, 1], [1, 1]], dtype='object')**(n-1))[1,1])

]]>

    </solution>

    <case name="Low n" function="fib">

        <arg value="10" />

	<function desc="Match">int</function>

    </case>

    <case name="First number" function="fib">

        <arg value="1" />

	<function desc="Match">int</function>

    </case>

    <case name="Zeroth number" function="fib">

	 <file name="patch.py">

<![CDATA[

fib_zero = 0 

]]>

	</file>

        <arg value="0" />

	<function desc="Match">int</function>

    </case>

    <case name="High number" function="fib">

        <arg value="30" />

	<function desc="Match">int</function>

    </case>

    <case name="Very high number" function="fib">

        <arg value="1000" />

	<function desc="Match">int</function>

    </case>

</exercise>