And here is a similar one but this time, both lists remain...
months = ['January', 'February', 'March', 'April', 'May', 'June', 'July',
'August', 'September', 'October', 'November', 'December']
newMonths = []
monthlen = len(months)
for i in range((monthlen - 1),-1,-1):
month = months[i]
newMonths.append(month)
print(newMonths)