def len(self):
Assert(len(LazyList(range(10)))) == 10
l = LazyList([])
Assert(len(l)) == 0
l.append(1)
Assert(len(l)) == 1
l.extend([2, 3])
Assert(len(l)) == 3
l.pop()
Assert(len(l)) == 2
del l[1]
Assert(len(l)) == 1
def len(self):
Assert(len(LazyList(range(10)))) == 10
l = LazyList([])
Assert(len(l)) == 0
l.append(1)
Assert(len(l)) == 1
l.extend([2, 3])
Assert(len(l)) == 3
l.pop()
Assert(len(l)) == 2
del l[1]
Assert(len(l)) == 1
def pop(self):
data = xrange(10)
l = LazyList(data)
Assert(l.pop()) == 9
Assert(l.pop(0)) == 0
def pop(self):
data = xrange(10)
l = LazyList(data)
Assert(l.pop()) == 9
Assert(l.pop(0)) == 0
