a = [[1,23],[14,423]] b = [i for j in a for i in j] #(列表推导式)相当于先j.append把每行加进去 #然后再i.append把每列加进去 #等价于 import numpy as np b = np.array(a).flatten() print(b) #[1, 23, 14, 423]
a = [[1,23],[14,423]] b = [i for j in a for i in j] #(列表推导式)相当于先j.append把每行加进去 #然后再i.append把每列加进去 #等价于 import numpy as np b = np.array(a).flatten() print(b) #[1, 23, 14, 423]
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