python
from pytime import pytime
def calculate_days(start_date, end_date):
start = pytime.string_to_time(start_date, '%Y-%m-%d')
end = pytime.string_to_time(end_date, '%Y-%m-%d')
delta = end - start
return delta.days
if __name__ == '__main__':
start_date = '2022-01-01'
end_date = '2022-01-31'
days = calculate_days(start_date, end_date)
print(f'There are {days} days between {start_date} and {end_date}.')
pip install pytime
