Python中数组元素的添加与删除(array类型)
添加:np.append()
删除:np.delete()
import numpy as np
a=np.array([1, 2, 3])
print(a)
a_1 = np.delete(a, [2])
print(a_1)
a_2 = np.append(a, [5])
print(a_2)
a[0] = 5
print(a)
结果:
[1 2 3]
[1 2]
[1 2 3 5]
[5 2 3]
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