• 실습 문제

#2
import pandas as pd

stockList=pd.DataFrame(stock_list)
stockList=stockList.fillna(0)

stockList

#3
import pandas as pd

stockList=pd.DataFrame(stock_list)
print(stockList['stock_name'].unique())

#4
import pandas as pd

stockList=pd.DataFrame(stock_list)
stockList=stockList.fillna(0)
print(stockList['PER'].value_counts())

#5
import pandas as pd

stockList=pd.DataFrame(stock_list)
stockList=stockList.fillna(0)
stockList = stockList.sort_values(by='PER')
print(stockList)

• 이론문제