my_list = [31, 42, 13, 34, 85, 0, 99, 1, 3]
print("The list is :")
print(my_list)
print("The elements in odd positions are : ")
for i in range(1, len(my_list), 2):
    print(my_list[i])

The list is :
[31, 42, 13, 34, 85, 0, 99, 1, 3]
The elements in odd positions are :
42
34
0
1