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 |
paul@835 | 26 | |
paul@835 | 27 | a, b, c, d = l |
paul@835 | 28 | print a, b, c, d # 1 2 3 "four" |
paul@835 | 29 | |
paul@835 | 30 | try: |
paul@835 | 31 | a, b, c = l |
paul@835 | 32 | except ValueError, exc: |
paul@835 | 33 | print "a, b, c = l: failed with length", exc.value |