import arcpy

infc = "TestClass2"

# Enter for loop for each feature
#
perimPntLst = []
n = 1
for row in arcpy.da.SearchCursor(infc, ["OID@", "SHAPE@"]):
    values = [row[0] for row in arcpy.da.SearchCursor(infc, "alternate")]
    alternate = set(values)
    # Alternate == 0 is False, 1 is True
    if alternate == 0:
       perimPntLst.append([row[1].firstPoint.X,row[1].firstPoint.Y,n])
       n = n + 1
       perimPntLst.append([row[1].lastPoint.X,row[1].lastPoint.Y,n])
       n = n + 1
    else:
       perimPntLst.append([row[1].lastPoint.X,row[1].lastPoint.Y,n])
       n = n + 1
       perimPntLst.append([row[1].firstPoint.X,row[1].firstPoint.Y,n])
       n = n + 1
print perimPntLst