text_html_output_1.png
import pandas as pd

calendar = pd.read_csv('../input/prague-airbnb/Prague_calendar.csv')
listings = pd.read_csv('../input/prague-airbnb/Prague_listings.csv')
reviews = pd.read_csv('../input/prague-airbnb/Prague_reviews.csv')

(calendar.shape, listings.shape, reviews.shape)

reviews.shape

reviews = reviews[['listing_id', 'id', 'date', 'year', 'month', 'day', 'reviewer_id', 'reviewer_name', 'comments']]

print(reviews.date.min())
print(reviews.date.max())