# Write a function that takes a list of numbers and draws an ASCII
# histogram (into a string). Normalize the height to 25 characters.
# You can compare your output with example output which uses the ‹*›
# character to represent value frequency.

def histogram( bins ):
    pass

def test_main() -> None:

    h1 = histogram( [2,2,5,6,8,9,2,1,6,3,5,2] + [4]*12 )

    print( "\nreference:" )

    h1_expect = \
'''    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
    *     
  * *     
  * *     
  * *     
  * *     
  * ***   
  * ***   
 ****** **
 ****** **
'''

    print( h1 )
    assert h1_expect == h1

    h2 = histogram( [5,19,3,19] + [13]*7 + [11]*3 + [19]*27 + [5,11,19,3,19,3,4,4,3] )

    h2_expect = \
'''                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
                   *
             *     *
             *     *
             *     *
   *       * *     *
   ***     * *     *
   ***     * *     *
'''

    assert h2_expect == h2

if __name__ == "__main__":
    test_main()