import pandas as pd 
Nowcoder = pd.read_csv('Nowcoder.csv',sep=',')
pd.set_option('display.width',300)
pd.set_option('display.max_rows',None)
pd.set_option('display.max_columns',None)
a = Nowcoder['Graduate_year']==2020
b = Nowcoder['Language']=='Java'
print(Nowcoder[a & b].loc[:,:])