python - argument 2 to map() must support iteration -

hi i'm making basic raycast engine think nice start minimap problem class map ask mapgrid in constructor , when pass python give me error argument 2 map() must support iteration

this code: main part

import pygame def map(object):     def __init__(self,grid,scale):         self.grid= grid         self.mapwidth= len(grid[0]) #number of map blocks         self.mapheight= len(grid)          self.minimapscale= scale #how many pixels draw map block         self.miniwidth= self.mapwidth * self.minimapscale #size of minimap         self.miniheight= self.mapheight * self.minimapscale          self.rectgrid= grid          y in range(self.mapheight):             x in range(self.mapwidth):                 self.rectgrid[y][x]= pygame.rect(x,y,self.miniwidth,self.miniheight)      def blitminimap():         pass 

data file

mapgrid= [     [1,1,1,1],     [1,0,0,1],     [1,0,0,1],     [1,1,1,1] ]  size = [640, 480] 

map class

import pygame def map(object):     def __init__(self,grid,scale):         self.grid= grid         self.mapwidth= len(grid[0]) #number of map blocks         self.mapheight= len(grid)          self.minimapscale= scale #how many pixels draw map block         self.miniwidth= self.mapwidth * self.minimapscale #size of minimap         self.miniheight= self.mapheight * self.minimapscale          self.rectgrid= grid          y in range(self.mapheight):             x in range(self.mapwidth):                 self.rectgrid[y][x]= pygame.rect(x,y,self.miniwidth,self.miniheight)      def blitminimap():         pass  

thanks.

map python built-in function. using map function name leads confusion, should consider renaming map function different.

also, call "map class" defines function, not class. did perhaps confuse def class in class definition?