Clear worksheet of data and reduce number of rows (or optionally NOT reduce)
ClearData(C1, C2)
begin column
end column
True if succeed, otherwise False
EX1
#Create Book1 with one sheet with 5column and 5row, set some numbers in sheet import PyOrigin wks=PyOrigin.FindWorksheet('Book1') #Empty the data in col(3) and col(4) in worksheet wks.ClearData(2,3)