题解 | 两份用户信息表格中的查找
两份用户信息表格中的查找
https://www.nowcoder.com/practice/4c3cbf055f8247bfaeb65270afd2dfe1
import pandas as pd
pd.set_option('display.width',300)
pd.set_option('display.max_rows',None)
pd.set_option('display.max_columns',None)
item1 = pd.read_csv('Nowcoder1.csv')
item2 = pd.read_csv('Nowcoder2.csv')
df = pd.merge(item1,item2,on='Nowcoder_ID',how='left')
sub_df = df[['Name','Num_of_exercise','Number_of_submissions']]
print(sub_df)
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