Beginner Level BlockPy using Python. Mysterious Functions and Unit Tests. Please help out with all if you can.

Thanks.

BlockPy: #21.2) Mysterious Strings This mysterious function has failed its unit test. It is supposed to consume a string and then print some text. Diagnoise what operation it is SUPPOSED to be doing, and fix the code to pass the unit tests Server Saved Execution Idle Arguments Expected Actual Console Ho Hello Ho Well 'WI' oHIO 0 aD aD Run Blocks Split Text Reset Upload History 1 def mysterious_strings (a_string): 2 print (a_string[0: :4]) 3 mysterious_strings ("Hello")