python獲取二位數組行列數

import numpy as np x = np.array([[1,2,5],[2,3,5],[3,4,5],[2,3,6]]) # 輸出數組的行和列數 print x.shape # (4, 3) # 只輸出行數 print x.shape[0] # 4 # 只輸出列數 print x.shape[1] # 3

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