freeCodeCamp/curriculum/challenges/chinese/08-data-analysis-with-python/numpy/loading-data-and-advanced-i...

770 B

id title challengeType videoId dashedName
5e9a0a8e09c5df3cc3600eda 加载数据和高级索引 11 tUdBZ7pF8Jg loading-data-and-advanced-indexing

--question--

--text--

给定一个名为 data.txt 的文件,其中包含以下内容:

29,97,32,100,45
15,88,5,75,22

哪段代码会生成下面的数组?

[29. 32. 45. 15.  5. 22.]

--answers--

filedata = np.genfromtxt('data.txt', delimiter=',')
output = np.any(filedata < 50)

print(output)

filedata = np.genfromtxt('data.txt', delimiter=',')
output = np.all(filedata < 50, axis=1)

print(output)

filedata = np.genfromtxt('data.txt', delimiter=',')
output = filedata[filedata < 50]

print(output)

--video-solution--

3