# Test 2 sll = SinglyLinkedList() assert sll.size()==0 sll.insert(1) assert sll.size()==1 sll.insert(2) sll.insert(3) assert sll.size()==3 print "Test 2 Passed" # Test 3 sll = SinglyLinkedList() assert sll.size()==0 sll.insert(1) assert sll.search(1)==True sll.insert(2) sll.insert(3) assert sll.search(3)==True assert sll.search(4)==False print "Test 3 Passed" # Test 4 sll = SinglyLinkedList() assert sll.size()==0 sll.insert(1) sll.insert(2) sll.insert(3) sll.delete(2) assert sll.search(2)==False assert sll.search(3)==True