python

dict1 = {'a': 'value1', 'b': 'value2'} dict2 = {'b': 'value3', 'c': 'value4'}

dict1.update print # 输出后来啊为：{'a': 'value1', 'b': 'value3', 'c': 'value4'}

import numpy as np

arr1 = np.array arr2 = np.array arr3 = np.array merged_arr = np.concatenate) print # 输出后来啊为： # # # # # ]

arr1 = np.array arr2 = np.array merged_arr = np.hstack) print # 输出后来啊为： # ]

arr1 = np.array arr2 = np.array merged_arr = np.vstack) print # 输出后来啊为： # # # ]

arr1 = arr2 = arr1.extend print # 输出后来啊为：