技术问答NumPy鎬庝箞杩炴帴澶氫釜鏁扮粍 - 扬州沐宇科技

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import numpy as np

arr1 = np.array([1, 2, 3])
arr2 = np.array([4, 5, 6])

result = np.concatenate([arr1, arr2])
print(result)

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arr3 = np.array([7, 8, 9])
result = np.concatenate([arr1, arr2, arr3])
print(result)

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