fix transformer.py to match expected output

[hchiam]

THIS:

https://github.com/hchiam/please/blob/master/transformer.py version 8544d19: … … … Yay the import test_function() of test.py from the "library" folder works! Yay the import test_function() of test.py from the "library" folder works! index 1 of crazy list index 2 of crazy list index tree bark of crazy list array is [2, 3, 4] use array of numb pie on [2, 3, 4] output of array of numb pie is use array of numb pie on variable array

SHOULD BE:

https://github.com/hchiam/please/blob/master/library/expected_output.md … … … Yay the import test_function() of test.py from the "library" folder works! Yay the import test_function() of test.py from the "library" folder works! 1 2 tree bark array is [2, 3, 4] use array of numb pie on [2, 3, 4] output of array of numb pie is [2, 3, 4]

[hchiam]

index + use (function) in print