#for bla in range(10):
 #   print(bla)

#tartomany=range(10)
#print(list(tartomany))



list1=["Betti", "Dora", "Judit", "Ilona"]

print(len(list1))

for i in range(len(list1)):
    print(list1[i])

# for i in lista1:
#     print(i)