check value at a date range index in pandas code example
Example: panda get rows with date range
#greater than the start date and smaller than the end date
mask = (df['date'] > start_date) & (df['date'] <= end_date)
df = df.loc[mask]
#greater than the start date and smaller than the end date
mask = (df['date'] > start_date) & (df['date'] <= end_date)
df = df.loc[mask]