在笔试的杰克很勤劳

分类

/ 注册

全部文章（共36篇）

题解 | #牛客网每日正确与错误的答题次数#

import pandas as pd import datetime df1 = pd.read_csv('nowcoder.csv',sep=',') df1['year-month-day'] = pd.to_datetime(df1['date']).dt.date print(df1.gr...

2023-11-26

0 223

题解 | #牛客网用户练习的平均次日留存率#

import pandas as pd import numpy as np df1 = pd.read_csv('nowcoder.csv',sep=',') import datetime sum_a = df1['user_id'].count() df2 = pd.merge(df1,df1...

2023-11-26

0 230

题解 | #牛客网用户最高的正确率#

import pandas as pd import numpy as np df1 = pd.read_csv("Nowcoder.csv", sep=",") a = ( df1.query("Num_of_exercise > ...

2023-11-25

0 213

题解 | #大佬用户成就值比例#

import pandas as pd import numpy as np df1 = pd.read_csv('Nowcoder.csv',sep=',') sum_a = df1['Achievement_value'].sum() print(df1.query("Level==7...

2023-11-25

0 204

题解 | #按照毕业年份与使用语言筛选牛客网7级用户#

import pandas as pd df1 = pd.read_csv('Nowcoder.csv',sep=',') pd.set_option('display.width', 300) # 设置字符显示宽度 pd.set_option('display.max_rows', None) #...

2023-11-23

0 210

题解 | #评选优秀店铺#

import numpy as np dt =np.dtype([('name','S10'),('salary','float')]) df1 = np.loadtxt("Shop.csv", delimiter=",", dtype=dt) namels ...

2023-11-19

0 263