怎么用python进行数据答:“副本”#fill_value 显然是填充空的index的值#print obj.reindex(['a','c','d','b','e'],fill_value = 0)#print objobj2 = Series(['red','blue'],index=[0,4])#method = ffill,意味着前向值填充obj3 = obj2.reindex(range(6),method='ffill')#print obj3#DataFrame 的reindex可以修改...