如何在 python 中声明二维数组?
How do I declare a 2d array in python?
enter image description here
我到底该如何声明?使用代码
"temperature[6,2]"
可能不会工作,因为它从 0
开始
求助!
有很多方法可以做到这一点。对于静态数据,我会这样做
temperature = [[6, 13, 5],
[5, 12, 6],
[9, 17, 8],
[9, 20, 9],
[7, 15, 6],
[6, 13, 6],
[7, 13, 6]]
请注意,您实际上在这里做的是 'list of lists'
>>> temperature[6]
[7, 13, 6]
>>> temperature[6][2]
6
arrayex = [[1, 2, 3],
[2, 4, 6],
[3, 6, 9],
[4, 8, 12],
[5, 10, 15],
[6, 12, 18],
[7, 14, 21]]
我平时就是这样
enter image description here
我到底该如何声明?使用代码 "temperature[6,2]" 可能不会工作,因为它从 0
开始求助!
有很多方法可以做到这一点。对于静态数据,我会这样做
temperature = [[6, 13, 5],
[5, 12, 6],
[9, 17, 8],
[9, 20, 9],
[7, 15, 6],
[6, 13, 6],
[7, 13, 6]]
请注意,您实际上在这里做的是 'list of lists'
>>> temperature[6]
[7, 13, 6]
>>> temperature[6][2]
6
arrayex = [[1, 2, 3],
[2, 4, 6],
[3, 6, 9],
[4, 8, 12],
[5, 10, 15],
[6, 12, 18],
[7, 14, 21]]
我平时就是这样