Question

Input: [1, 2, 3] [a, b]

Expected Output: [(1,a),(1,b),(2,a),(2,b),(3,a),(3,b)]

这有效，但没有if语句会有更好的方法吗？

[(x,y) for (x,y) in list(combinations(chain(a,b), 2)) if x in a and y in b]

Answer 1

使用itertools.product，您方便的图书馆工具获取笛卡尔积：

Function RangetoHTML(rng As Range)
' Changed by Ron de Bruin 28-Oct-2006
' Working in Office 2000-2016
    Dim fso As Object
    Dim ts As Object
    Dim TempFile As String
    Dim TempWB As Workbook

    TempFile = Environ$("temp") & "\" & Format(Now, "dd-mm-yy h-mm-ss") & ".htm"

    'Copy the range and create a new workbook to past the data in
    rng.copy
    Set TempWB = Workbooks.Add(1)
    With TempWB.Sheets(1)
        .cells(1).PasteSpecial Paste:=8
        .cells(1).PasteSpecial xlPasteValues, , False, False
        .cells(1).PasteSpecial xlPasteFormats, , False, False
        .cells(1).Select
        Application.CutCopyMode = False
        On Error Resume Next
        .DrawingObjects.Visible = True
        .DrawingObjects.Delete
        On Error GoTo 0
    End With

    'Publish the sheet to a htm file
    With TempWB.PublishObjects.Add( _
         SourceType:=xlSourceRange, _
         fileName:=TempFile, _
         Sheet:=TempWB.Sheets(1).Name, _
         Source:=TempWB.Sheets(1).UsedRange.Address, _
         HtmlType:=xlHtmlStatic)
        .Publish (True)
    End With

    'Read all data from the htm file into RangetoHTML
    Set fso = CreateObject("Scripting.FileSystemObject")
    Set ts = fso.GetFile(TempFile).OpenAsTextStream(1, -2)
    RangetoHTML = ts.readall
    ts.Close
    RangetoHTML = Replace(RangetoHTML, "align=center x:publishsource=", _
                          "align=left x:publishsource=")

    'Close TempWB
    TempWB.Close savechanges:=False

    'Delete the htm file we used in this function
    Kill TempFile

    Set ts = Nothing
    Set fso = Nothing
    Set TempWB = Nothing
End Function

2个列表的组合

1 个答案: