simplify

tests/slice.py

18:af353c35b70b
2006-07-17 paulb Made function subprogram names originate from the AST nodes which defined them. Introduced proper class definition subprograms, along with separate structure nodes.
     1 a[x:y]     2 a[x:]     3 a[:x]     4 p[q:r] = s     5 p[q:] = s     6 p[:q] = s