Cacher is the code snippet organizer for pro developers

# try:
#     from zipline.utils.calendars import get_calendar
# except:
#     from zipline.utils.calendar_utils import get_calendar
    
import pandas_market_calendars as mcal

start, end = '1900', dt.datetime.today().strftime('%Y-%m-%d')
print(nyse.valid_days(start, end))

# all_trading_days = get_calendar('NYSE').all_sessions
# # all_trading_days = get_calendar('NASDAQ').all_sessions
# print(all_trading_days)

# between dates
trading_days = all_trading_days[(all_trading_days>=start)&(all_trading_days<end)]
print(trading_days)