摘要: ##检查数据为空(nan) import math x=float('nan') math.isnan(x) ## 检查 def typeof(variate): type=None if isinstance(variate,int): type = "int" elif isinstance(v 阅读全文
posted @ 2019-12-16 13:32 机器狗mo 阅读(95) 评论(0) 推荐(0)