用于比较两个数据帧列的pyspark中的if else with and运算符我试图compare two columns的一个数据帧,但它的结果是错误的。PFB代码: if((df3.name==df3.KEY) and (df3.id==df3.seq_id)): ...2024-05-20 已阅读: n次
如何在字典键中允许额外的字符假设我有一本这样的字典: my_dict = { hey: onevalue, hat: twovalue, how: threeva ...2024-05-20 已阅读: n次
计数字符串出现次数/枚举lis中的出现次数我需要更新列表如下所示 l=['hey','alan','hey','hey','hey','alan'] 结果一定是 l=['hey','alan','hey1','hey2','hey3','a ...2024-05-20 已阅读: n次
基于列比较Python如何填充缺失值我想将第2列中缺少的值填充到相应的第1列 import pandas as pd data={"col1":["A","B","C","A","B","C","A","B","A"], "col2": ...2024-05-20 已阅读: n次