Test01.py runs as expected with no exceptions.  This issue appears to be based on a misunderstanding of one or both of two things:
a) multiplying an empty list does nothing other than returning a new empty list.
b) list.insert(index, value) treats the index as a slice index.  This is specified in the doc by "same as s[index:index] = [value]". (I spelled out the parameter names.)
https://docs.python.org/3/library/stdtypes.html#mutable-sequence-types

>>> l1, l2 = [], []
>>> l1.insert(6, 0); l2[6:6] = [0]
>>> l1, l2
([0], [0])