1.1 --- a/tests/list.py	Tue Nov 29 17:27:31 2016 +0100
     1.2 +++ b/tests/list.py	Tue Nov 29 17:29:42 2016 +0100
     1.3 @@ -24,3 +24,12 @@
     1.4      print l[-5]         # should raise an exception
     1.5  except IndexError, exc:
     1.6      print "l[-5]: failed with argument", exc.index
     1.7 +
     1.8 +print 1 in l            # True
     1.9 +print 4 in l            # False
    1.10 +print "four" in l       # True
    1.11 +print "one" in l        # False
    1.12 +print 1 not in l        # False
    1.13 +print 4 not in l        # True
    1.14 +print "four" not in l   # False
    1.15 +print "one" not in l    # True