我只是尝试在不使用numpy或任何其他软件包的情况下产生以下内容。
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
[11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
[21, 22, 23, 24, 25, 26, 27, 28, 29, 30]
[31, 32, 33, 34, 35, 36, 37, 38, 39, 40]
[41, 42, 43, 44, 45, 46, 47, 48, 49, 50]
[61, 62, 63, 64, 65, 66, 67, 68, 69, 70]
[71, 72, 73, 74, 75, 76, 77, 78, 79, 80]
[81, 82, 83, 84, 85, 86, 87, 88, 89, 90]
[91, 92, 93, 94, 95, 96, 97, 98, 99, 100]
我想做的是让上一个列表的最后一个元素成为循环中新列表的开始,但我不知道它何时结束。这是我的逻辑不好吗?我会接受任何方式做到这一点。这就是我所做的。
arr= [i for i in range(1,11)]
for i in len(arr):
new_arr=[]
start=[-1]
end=# I do not know.
我也觉得我需要两个循环
答案 0 :(得分:2)
为什么不仅如此:
arr = [[10 * row + i for i in range(1, 11)] for row in range(10)]
嵌套的列表综合功能,可生成您的行。
这也可以写成:
arr = [list(range(s, s + 10)) for s in range(1, 101, 10)]
答案 1 :(得分:1)
您也可以这样做:
result = [[*range(0,101)[i:i+10]] for i in range(1,101,10)]
print (result)
结果:
[[1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [11, 12, 13, 14, 15, 16, 17, 18, 19, 20], [21, 22, 23, 24, 25, 26, 27, 28, 29, 30], [31, 32, 33, 34, 35, 36, 37, 38, 39, 40], [41, 42, 43, 44, 45, 46, 47, 48, 49, 50], [51, 52, 53, 54, 55, 56, 57, 58, 59, 60], [61, 62, 63, 64, 65, 66, 67, 68, 69, 70], [71, 72, 73, 74, 75, 76, 77, 78, 79, 80], [81, 82, 83, 84, 85, 86, 87, 88, 89, 90], [91, 92, 93, 94, 95, 96, 97, 98, 99, 100]]
或:
for i in range(1,101,10):
print ([*range(i,i+10)])
结果:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
[11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
[21, 22, 23, 24, 25, 26, 27, 28, 29, 30]
[31, 32, 33, 34, 35, 36, 37, 38, 39, 40]
[41, 42, 43, 44, 45, 46, 47, 48, 49, 50]
[51, 52, 53, 54, 55, 56, 57, 58, 59, 60]
[61, 62, 63, 64, 65, 66, 67, 68, 69, 70]
[71, 72, 73, 74, 75, 76, 77, 78, 79, 80]
[81, 82, 83, 84, 85, 86, 87, 88, 89, 90]
[91, 92, 93, 94, 95, 96, 97, 98, 99, 100]
注意:
例如:
*range(1,11)
正在产生:
1 2 3 4 5 6 7 8 9 10
使用基本的double for循环,您可以执行以下操作:
for i in range(1,101,10):
l = []
for j in range(i,i+10):
l.append(j)
print (l)
结果:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
[11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
[21, 22, 23, 24, 25, 26, 27, 28, 29, 30]
[31, 32, 33, 34, 35, 36, 37, 38, 39, 40]
[41, 42, 43, 44, 45, 46, 47, 48, 49, 50]
[51, 52, 53, 54, 55, 56, 57, 58, 59, 60]
[61, 62, 63, 64, 65, 66, 67, 68, 69, 70]
[71, 72, 73, 74, 75, 76, 77, 78, 79, 80]
[81, 82, 83, 84, 85, 86, 87, 88, 89, 90]
[91, 92, 93, 94, 95, 96, 97, 98, 99, 100]