字典d={'abc':123,'def':456,'ghi':789},len(d)的结果是:()
字典d={'abc':123,'def':456,'ghi':789},len(d)的结果是:()
A.3
B.6
C.9
D.12
正确答案:A
Tag:大数据分析的python基础 字典
时间:2021-06-05 13:28:06