se.parse_video()
while choice!= 5:
print("__________________Welcome_________________")
print("1.Search by Call Number")
print("2.Search by Title")
print("3.Search by Subject")
print("4.Search by Others")
print("5.Exit")
print("__________________________________________")
choice = input("Please enter your choice:")
if choice == 1:
search = raw_input("Enter string to search:")
se.contains_call_no(search)
if se.result_found():
se.display_results()
else:
print("No match Found")
elif choice == 2:
search = raw_input("Enter string to search:")
se.contains_title(search)
if se.result_found():
se.display_results()
else:
print("No match Found")
elif choice == 3:
