>>> monname = ['JAN','FEB','MAR','APR','MAY','JUN','JUL','AUG','SEP','OCT','NOV','DEC']
>>> monnum = [31,28,31,30,31,30,31,31,30,31,30,31]
>>> month = dict(zip(monname,monnum))
>>> print(month)
{'FEB': 28, 'DEC': 31, 'APR': 30, 'AUG': 31, 'JAN': 31, 'OCT': 31, 'JUN': 30, 'SEP': 30, 'JUL': 31...