| 2017-03-31 | Paul Boddie | file changeset files shortlog | Introduced a multiple outcome result which can be used to provide a choice of return values to supply the initialiser and alias details. |
| paul@227 | 1 | l = (1, 2, 3, "four") |
| paul@266 | 2 | print len(l) # 4 |
| paul@266 | 3 | print l[0] # 1 |
| paul@266 | 4 | print l[1] # 2 |
| paul@266 | 5 | print l[2] # 3 |
| paul@266 | 6 | print l[3] # four |
| paul@266 | 7 | print l[-1] # four |
| paul@266 | 8 | print l[-2] # 3 |
| paul@266 | 9 | print l[-3] # 2 |
| paul@266 | 10 | print l[-4] # 1 |
| paul@266 | 11 | print l # (1, 2, 3, "four") |
| paul@227 | 12 | |
| paul@227 | 13 | l = [1, 2, 3, "four"] |
| paul@227 | 14 | t = tuple(l) |
| paul@266 | 15 | print t # (1, 2, 3, "four") |
| paul@266 | 16 | |
| paul@266 | 17 | try: |
| paul@266 | 18 | print t[4] # should raise an exception |
| paul@266 | 19 | except IndexError, exc: |
| paul@266 | 20 | print "t[4]: failed with argument", exc.index |
| paul@266 | 21 | |
| paul@266 | 22 | try: |
| paul@266 | 23 | print t[-5] # should raise an exception |
| paul@266 | 24 | except IndexError, exc: |
| paul@266 | 25 | print "t[-5]: failed with argument", exc.index |