num_years = [1, 2, 3, 4, 5]
print(num_years[0])
print(type(num_years[0]))
a = len(num_years)
b = 0
for x in range(a):
b += x + 1
print(b)
num_years = [1, 2, 3, 4, 5]
print(num_years[0])
print(type(num_years[0]))
a = len(num_years)
b = 0
for x in range(a):
b += x + 1
print(b)