df=pd.read_csv('Nowcoder.csv',sep=",")#print(df.tail()[['Nowcoder_ID','Level','Achievement_value','Language']])#df[['Nowcoder_ID','Level','Achievement_value','Language']].tail()#print(df.tail(5).iloc[:,[0,1,2,5]])#print(df.loc[-5:,['Nowcoder_ID','Level','Achievement_value','Language']])pri...