[Python] for planets in Planet: TypeError: 'type' object is not iterable [closed]

I'm working through an example and cannot see the solution.

Can someone please point me in right direction? Tried lots of stuff.

File "C:\Python prog\orbit.py", line 57, in main
for planets in Planet:
TypeError: 'type' object is not iterable


Code:

import pygame
import math
pygame.init
WIDTH,HEIGHT= 800,800
WIN = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Planet simulation")

WHITE = (255,255,255)
YELLOW = (255,255,0)
BLUE = (100, 149, 237)
RED = (188, 39, 50)
DARK_GREY = (80, 78, 81)
#FONT = pygame.font.SysFont("comicsans", 16)

class Planet:
AU = 149.6e6 * 1000
G = 6.67428e-11
SCALE = 250 / AU
TIMESTEP = 3600*24

def __init__(self, x, y, radius, color, mass):
self.x = x
self.y = y
self.radius = radius
self.color = color
self.mass = mass

self.orbit = []
self.sun = False
self.distance_to_sun = 0

self.x_vel = 0
self.y_vel = 0

def draw(self, win):
x=self.x * self.SCALE + WIDTH /2
y=self.y * self.SCALE + HEIGHT /2
pygame.draw.circle(win, self.color, (x, y), self.radius)


def main():
run=True
clock = pygame.time.Clock()

sun = Planet(0,0,30,YELLOW, 1.98892 * 10**30)
earth = Planet(-1 * Planet.AU, 0, 16, BLUE, 5.9742 * 10**24)
sun.sun = True
planets = [sun, earth]

while run:
clock.tick(60)
WIN.fill((0, 0, 0))

for event in pygame.event.get():
if event.type ==pygame.QUIT:
run = False

for planets in Planet:

planet.draw(WIN)
#planet.Update_position(planets)
pygame.display.update()
pygame.QUIT()

main()


checked class and variable names spellings etc

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