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TA的专栏 153篇文章 31人订阅

进阶高级测试工程师

142篇文章 1443人学习

AI自动测试化入门到精通

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全部文章（共156篇）

题解 | 牛客网用户练习的平均次日留存率

import pandas as pd df = pd.read_csv('nowcoder.csv', sep=',') df['date'] = pd.to_datetime(df['date']).dt.date df1 = df.copy() df1['date'] = df1['d...

2025-02-25

0 74

题解 | 统计牛客网用户的名字长度

import pandas as pd df = pd. read_csv('Nowcoder.csv') print(df['Name'].apply(len))

2025-02-25

0 83

题解 | 牛客网用户最高的正确率

import pandas as pd df = pd.read_csv('Nowcoder.csv') sub = df[df['Num_of_exercise'] > 10] ds = round(sub['Num_of_exercise']/sub['Number_of_submi...

2025-02-25

0 54

题解 | 大佬用户成就值比例

import pandas as pd df = pd.read_csv('Nowcoder.csv') sub_df = df[df['Level'] ==7] seven = sub_df['Achievement_value']/df['Achievement_value'].sum()...

2025-02-25

0 48

题解 | 单组_A+B

import sys for line in sys.stdin: a = line.split() print(int(a[0]) + int(a[1]))

2025-02-25

0 66

题解 | 只有输出

import sys print('Hello Nowcoder!')

2025-02-25

0 66

题解 | 牛客用户刷题量的方差与提交次数的标准差

import pandas as pd df = pd.read_csv('Nowcoder.csv') print('%.2f'%df['Num_of_exercise'].var()) print('%.2f'%df['Number_of_submissions'].std())

2025-02-25

0 83

题解 | 牛客网大佬之间的差距

import pandas as pd df = pd.read_csv('Nowcoder.csv') nmax = df[df['Level'] == 7]['Achievement_value'].max() nmin = df[df['Level'] == 7]['Achievemen...

2025-02-25

0 72

题解 | 用分位数分析牛客网用户活动

import pandas as pd df = pd.read_csv('Nowcoder.csv') print(df[['Achievement_value','Continuous_check_in_days']].quantile(q=0.25)) print(df[['Num_of_...

2025-02-25

0 56

题解 | 牛客网不同语言使用人数

import pandas as pd df = pd.read_csv("Nowcoder.csv", sep=",") print(df['Language'].value_counts())

2025-02-25

0 50