I have written a program that will give a rectangle. I don't find the problem with your program. Can someone help me?

Question

class Rectangle:
def __init__ (self, point1: tuple=(0,0), point2: tuple=(1,1)):
self.corner1 = point1
self.corner2 = point2
self.corner3 = (self.corner1[0], self.corner2[1])
self.corner4 = (self.corner2[0], self.corner1[1])

def __repr__ (self):
list1=str([self.corner1, self.corner2, self.corner3, self.corner4])
return ("Rectangle's corners are : %s" %list1)

def __str__ (self):
return "dasdmck"

def rotate (self, angel: float=90, measure: str="degree"):
from math import pi
from math import sin
from math import cos

list1=[self.corner1, self.corner2, self.corner3, self.corner4]
list2=[]

if measure == "rad":
rad = angel
else:
rad= (angel * pi)/180

for i in list1:
a = round(i[0] * cos(rad) + float(i[1]) * sin(rad), 3)
b = round(i[1] * cos(rad) - float(i[0]) * sin(rad), 3)
c=(a, b)

Answer 1

????? ??????, i think it would be better to create an instance first.

my_rect = Rectangle((1,1),(4,8))
print(my_rect.corner1, my_rect.corner2)
my_rect.rotate(90)

But i am not sure if rotate works correct. If i use Rectangle((1,1),(4,8)) and rotate it by 90 degrees, the coordinates seems to be the same.

Answer 2

The code for rotation posted by you is not complete: please copy it in SoloLearn playground for better examination.
"c", the rotated point, must be assigned back to the rotated corner.