如何从终端中删除NONE值？

Question

当我运行该函数时，在完成程序后，它在终端中没有显示。我该如何防止这种情况发生

我尝试使用return，但是找不到正确的使用方式。

class Point :
    def __init__(self, x, y):
        self.x = x
        self.y = y

    def check_quadrant(self):
        if self.x > 0 and self.y > 0:
            print("The  Point lies in the First Quadrant.")

        if self.x < 0 < self.y:
            print("The Point lies in the Second Quadrant.")

        if self.x < 0 and self.y < 0:
            print("The Point lies in the Third Quadrant.")

        if self.x > 0 > self.y:
            print("The Point lies in the Fourth Quadrant.")

        if self.x > 0 and self.y == 0 or self.x < 0 and self.y == 0:
            print("Point lies on the X-Axis.")

        if self.x == 0 and self.y < 0 or self.x == 0 and self.y > 0:
            print("The Point lies on the Y-Axis.")

        if self.x == 0 and self.y == 0 :
            print("The Point lies on the Origin")

        return


try:
    x_cor = int(input("X-Coordinate = "))
    y_cor = int(input("Y-Coordinate = "))
except ValueError:
    print("Only INPUT Integers !")

point1 = Point(x_cor, y_cor)
print(Point.check_quadrant(point1))

预期结果： X坐标= 0 Y坐标= 0 重点在原点上

实际结果： X坐标= 0 Y坐标= 0 关键在于起源 无

Answer 1

您只需要删除print。更改：

print(Point.check_quadrant(point1))

收件人：

Point.check_quadrant(point1)

check_quadrant方法返回None，您通常不会看到它，但是在您的情况下，您是显式打印它。