A.dict ={}B.dict =dict()C.dict =new Dict()D.dict =[]
A.with open(file,’w’)as f:f write(content)B.file.write(content)C.open(file,’w’).write(content)D.A和C都对
A.with open(file,’r’)as f:content =f read()B.file.read()C.open(file,’r’).read()D.A和C都对