name = ""
if nsides == 3:
name = "triangle" elif nsides == 4:
name = "quadrilateral" elif nsides == 5:
name = "pentagon" elif nsides == 6:
name = "hexagon" elif nsides == 7:
name = "heptagon" elif nsides == 8:
name = "octagon" elif nsides == 9:
name = "nonagon" elif nsides == 10: name = "decagon"
# Display an error message or the name of the polygon
if name == "":
print("That number of sides is not supported by this program.")
else:
print("That’s a", name)
请问这个name = "" 是个什么操作，空字符串？？？
