合并列表生成字典

list1=[1,2,3,4]list2=[1,2,3,4]list3=[1,2,3,4]def merg(list1,list2,list3):dic={}for i in range(len(list1)):dic[list1[i]]=[list2[i],list3[i]]return dicdic=merg(list1,list2,list3)dic{1: [1, 1], 2: [2, 2], 3: [3, 3], 4: [4, 4]} _