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import pandas as pd

import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)

data_path = '/kaggle/input/covid19-global-forecasting-week-4/train.csv'
data_train = pd.read_csv(data_path)

data_flight = pd.read_csv('/kaggle/input/covid19/covid19_flight_countries_mod.csv')

data_daily_tested = pd.read_csv('/kaggle/input/covid19/full-list-covid-19-tests-per-day.csv')

df_usa_tested = data_daily_tested.query("Code=='USA'")
df_italy_tested = data_daily_tested.query("Entity=='Italy'")
df_spain_tested = data_daily_tested.query("Entity=='Spain'")
df_korea_tested = data_daily_tested.query("Entity=='South Korea'")
df_usa_tested.plot(title='USA', x='Date', figsize=(12, 6))
df_italy_tested.plot(title='Italy', x='Date', figsize=(12, 6))
df_korea_tested.plot(title='Korea', x='Date', figsize=(12, 6))