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python基础-(copy)
浅拷贝
import copy dic = { "cpu":[80,], "mem":[80,], "disk":[80,] } print(‘brefore:‘,dic) new_dic = copy.copy(dic) new_dic[‘cpu‘][0] = 50 print(dic) print(new_dic) #brefore: {‘disk‘: [80], ‘mem‘: [80], ‘cpu‘: [80]} #{‘disk‘: [80], ‘mem‘: [80], ‘cpu‘: [50]} #{‘disk‘: [80], ‘mem‘: [80], ‘cpu‘: [50]}
深拷贝
import copy dic = { "cpu":[80,], "mem":[80,], "disk":[80,] } print(‘brefore:‘,dic) new_dic = copy.deepcopy(dic) new_dic[‘cpu‘][0] = 50 print(dic) print(new_dic) #brefore: {‘disk‘: [80], ‘cpu‘: [80], ‘mem‘: [80]} #{‘disk‘: [80], ‘cpu‘: [80], ‘mem‘: [80]} #{‘disk‘: [80], ‘cpu‘: [50], ‘mem‘: [80]}
python基础-(copy)
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