#removes null values for data downloaded from exoplanets.eu
import pandas as pd
df = pd.read_csv('C:/Users/Sridhar Gajendran/AppData/Local/Programs/Python/Python36/exoplanet.eu_catalog.csv')
print(df) #flags null values as NAN
new_df = df.dropna() #drops rows with zero values
print(new_df)
new_df.to_csv('removed.csv', index = False, header = False)