# generate assert test for list assert [1, 2, 3] == [1, 2, 3] assert [1, 2, 3] != [1, 2, 4] # test + *= assert [1, 2, 3] + [4, 5, 6] == [1, 2, 3, 4, 5, 6] assert [1, 2, 3] * 3 == [1, 2, 3, 1, 2, 3, 1, 2, 3] l = [1,2,3,4] assert l[2] == 3 assert l[-1] == 4 assert l[:32] == [1,2,3,4] assert l[32:] == [] assert l[1:4] == [2,3,4] assert l[-1:-3] == [] assert l[-3:-1] == [2,3] l = (1,2,3,4) assert l[2] == 3 assert l[-1] == 4 assert l[:32] == (1,2,3,4) assert l[32:] == tuple([]) assert l[1:4] == (2,3,4) assert l[-1:-3] == tuple([]) assert l[-3:-1] == (2,3) l1 = [1];l2 = l1;l1.append(2);l3 = [1,1,2] assert l2[1] == 2 assert l1 == l2 assert l1*3 == [1,2,1,2,1,2] assert l3.count(1) == 2 member = ['Tom', 'Sunny', 'Honer', 'Lily'] teacher = [1,2,3] assert len(member + teacher) == 7 assert member[0] == 'Tom' assert member[-2] == 'Honer' assert member[0:3] == ['Tom', 'Sunny', 'Honer'] member.remove('Sunny') assert member == ['Tom', 'Honer', 'Lily'] member.pop() assert member == ['Tom', 'Honer'] del member[0] assert member == ['Honer'] member.append('Jack') assert member == ['Honer','Jack'] member.extend(teacher) assert member == ['Honer','Jack',1,2,3] member.insert(1,'Tom') assert member == ['Honer','Tom','Jack',1,2,3] member.clear() assert member == [] member = teacher.copy() assert member == [1,2,3] l = [] l.insert(0, 'l') l.insert(1, 'l') l.insert(0, 'h') l.insert(3, 'o') l.insert(1, 'e') assert l == ['h', 'e', 'l', 'l', 'o'] assert l[-2] == 'l' # test sort a = [8, 2, 4, 2, 9] assert sorted(a) == [2, 2, 4, 8, 9] assert sorted(a, reverse=True) == [9, 8, 4, 2, 2] assert sorted(a, key=lambda x:-x, reverse=True) == [2, 2, 4, 8, 9] assert a == [8, 2, 4, 2, 9] b = [(1, 2), (3, 3), (5, 1)] b.sort(key=lambda x:x[1]) assert b == [(5, 1), (1, 2), (3,3)] # unpacking builder a = [1, 2, 3] b = [*a, 4, 5] assert b == [1, 2, 3, 4, 5] a = [] b = [*a, 1, 2, 3, *a, *a] assert b == [1, 2, 3] assert b[ 1 ] == 2 assert b[0 ] == 1 assert b[0] == 1 assert b[ 0] == 1 a = [] a.append(0) a.append([1, 2, a]) assert repr(a) == "[0, [1, 2, [...]]]" # slice extras class A: def __getitem__(self, index): return index assert A()[1:2, 3] == (slice(1, 2, None), 3) assert A()[1:2, 3:4] == (slice(1, 2, None), slice(3, 4, None)) assert A()[1:2, 3:4, 5] == (slice(1, 2, None), slice(3, 4, None), 5) assert A()[:, :] == (slice(None, None, None), slice(None, None, None)) assert A()[::, :] == (slice(None, None, None), slice(None, None, None)) assert A()[::, :2] == (slice(None, None, None), slice(None, 2, None)) assert A()['b':'c':1, :] == (slice('b', 'c', 1), slice(None, None, None)) assert A()[1:2, :A()[3:4, ::-1]] == (slice(1, 2, None), slice(None, (slice(3, 4, None), slice(None, None, -1)), None)) a = [1, 2, 3] assert a.index(2) == 1 assert a.index(1) == 0 assert a.index(3) == 2 assert a.index(2, 1) == 1 assert a.index(1, 0) == 0 try: a.index(1, 1) exit(1) except ValueError: pass a, b = [1, 2] assert a == 1 and b == 2 assert [1, 2].__getitem__(0) == 1