import pandas as pd 
pd.set_option('display.width', 300) # 设置字符显示宽度
pd.set_option('display.max_rows', None) # 设置显示最大行
pd.set_option('display.max_columns', None)
data = pd.read_csv("Nowcoder.csv",sep=',')
print(data[((data['Graduate_year'] != 2018) & (data['Level'] == 7) & (data['Language'] == 'CPP'))])