[英]Create a 2D array in Python
I'm trying to create a 2D array that ranges for 1 to 70 years and 1-12 for each year.我正在尝试创建一个范围为 1 到 70 年和每年 1-12 年的二维数组。 For example using some kind of for loop to get this below:
例如,使用某种 for 循环来获得以下信息:
EDTI: index = (1,1),(1,2),(1,3)....(1,12), (2,1)...(2,12),(3,1)...(3,12).....(70,12) EDTI:索引 = (1,1),(1,2),(1,3)....(1,12), (2,1)...(2,12),(3,1) ...(3,12).....(70,12)
and then create a multi-index dataframe.然后创建一个多索引 dataframe。
I want the result of the code below to be in array format that I can set as multi-index.我希望下面代码的结果是可以设置为多索引的数组格式。
for j in range(1,71):
for i in range(1,13)
print(j,i)
apologies for the bad/vague original question为糟糕/模糊的原始问题道歉
[[i for i in range(1, 13)] for j in range(1, 71)]
This code uses list comprehension .此代码使用列表理解。
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