题解 | #牛客网用户最高的正确率#
牛客网用户最高的正确率
https://www.nowcoder.com/practice/c9a273dc3e7546b0bdb8fe83fa2e5b74
import pandas as pd
data=pd.read_csv('Nowcoder.csv')
condition="Num_of_exercise>10"
print('%.3f'%(max(data.query(condition).Num_of_exercise/data.query(condition).Number_of_submissions)))
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