Prints the alternate items/elements in a list

print_alternates_in_list.py

# sample list
a_list = [1, 65, 4, 2, 3, 9, 4, 8, 4, 20, 34, 6, 15, 17, 0, 23, 3]

print('Prints alternate items from first item:') 
for item in a_list:
    if a_list.index(item) % 2 == 0: # (a_list.index(item) + 1) % 2 != 0:
        print(item)
        
print('Prints alternate items from second item:') 
for item in a_list:
    if (a_list.index(item) + 1) % 2 == 0:
        print(item)