Pharmaceutical, Machine Learning, Graph Theory, Linear Programming.
get_lat((npi_info['Address_Try_1'].iloc[i])) if lat_temp=="NA": lat_temp=get_lat((npi_info['Address_Try_2'].iloc[i])) if lat_temp=="NA": lat_temp=get_lat((npi_info['Address_Try_3'].iloc[i])) if lat_temp=="NA": lat_temp="NA" npi_info['Lat'].iloc[i]=lat_temp #loop for long npi_info['Long']=np.nan for