#swap two elements in list

def swapList(sl,pos1,pos2):      
    sl[pos1], sl[pos2] = sl[pos2], sl[pos1]  
    return sl
      
List = [9, 11, 5, 3, 6, 27, 4]
pos1, pos2= 3,5
print(List)
print("Swapped List: ",swapList(List,pos1-1,pos2-1))