‘‘‘
https://www.cnblogs.com/xiazhenyu/
‘‘‘
dict1={
    "attr":{
        "httpClient":{
            "hasData":"false",
            "cacheKey":"8888rrr"
        }
    }
}
# print(dict1[‘attr‘][‘httpClient‘][‘cacheKey‘])
a="attr,httpClient,cacheKey"
res=a.split(‘,‘)
# print(res[0])
# print(dict1[res[0]][res[1]][res[2]])
nums=2
if nums == 0:
    print(dict1[res[0]])
elif nums == 1:
    print(dict1[res[0]][res[1]])
elif nums == 2:
    print(dict1[res[0]][res[1]][res[2]])
#返回结果:8888rrr
原文:https://www.cnblogs.com/xiazhenyu/p/13731739.html