在python

Question

这是我能提出的最接近的：Convert list of ints to one number?

基本上，我有一个整数列表列表：

arr = [[2,3,4], [1,2,3], [3,4,5]]

我如何得到这个：[234,123,345]整数？

编辑：我想要渲染我可以使用的代码：

result = np.zeros(len(arr))
for i in range(len(arr)):
    result[i] = int(''.join(map(str, arr[i])))

Answer 1

[int(''.join(map(str, x))) for x in arr]
# [234, 123, 345]

Answer 2

arr = [[2,3,4], [1,2,3], [3,4,5]]
arr2 = []
for x in arr:
    z = ""
    for y in x:
        z = z + str(y)
    arr2.append(int(z))
#the results are now in arr2
print arr2

Answer 3

稍微更加数学化的方式：

>>> [sum(n*10**i for i, n in enumerate(reversed(x))) for x in arr]
[234, 123, 345]