所以我正在尝试编写一个函数来初始化两个点并输出以前制作的方法。
部分代码如下:
class Point(Geometry):
next_id = 0
def __init__(self,x,y,):
self.x = x
self.y = y
self.id = Point.next_id
Point.next_id += 1
def __str__(self):
return "(%0.2f, %0.2f)" % (self.x, self.y)
def quadrat(self):
if (self.x > 0 and self.y > 0):
return "Quad I"
elif (self.x < 0 and self.y > 0):
return "Quad II"
elif (self.x < 0 and self.y < 0):
return "Quad III"
elif (self.x > 0 and self.y < 0):
return "Quad IV"
elif (self.x == 0 and self.y == 0):
return "Origin"
elif (self.x == 0):
return "Y-axis"
elif (self.y == 0):
return "X-axis"
def distance(p0, p1):
dist = math.sqrt((p0.x - p1.x)**2 + (p0.y - p1.y)**2)
return dist
def equality():
if (self.x == self.y):
print "True"
else:
print "False"
def identify():
if(p0.id == p1.id):
print "True"
else:
print "False"
def pointTest():
global P1,P2
P1 = Point(-3,-3)
P2 = Point(0,0)
print "P1) ID =", P1.id,", Coordinates=", P1,", Location=",P1.quadrat()
print "P2) ID =", P2.id,", Coordinates=", P2,", Location=",P2.quadrat()
print "Distance between",P1,"and",P2,"is %0.2f" % (P1.distance(P2))
print "P1==P2?",P1==P2
print "P1 same as P2?",P1.id==P2.id
P1 = None
P2 = None
print pointTest()
当我的观点在方法之外定义并且print
语句在方法之外时,我的输出完美。
但是我需要在方法中初始化这些点,并且我的print
语句也需要在方法中。
当我调用它时,我得到了pointTest
未定义的错误。
我的输出需要如下所示:
<<<< print pointTest
这将为我的印刷声明提供答案。