from shapely.geometry import Point, Polygon, LineString
line1 = [(1,1),(2,1.2),(3,1)]
line2 = [(1,2),(2,2.2),(3,2)]
polgonList = line1 + line2
polgonList
[(1, 1), (2, 1.2), (3, 1), (1, 2), (2, 2.2), (3, 2)]
Polygon(polgonList)
line2reverse = list(reversed(line2))
polgonList2 = line1 + line2reverse
Polygon(polgonList2)