Answers for "from where does pygame window start"

how to make a pygame window

import pygame 
pygame.init()

"""this is how to make a pygame window, the 500,500 is the size of the window
btw(it is your choice what the size is ) """

var = pygame.display.set_mode((500,500))

"""this is how to change the title of the window"""
pygame.display.set_caption('example')

how to make window pygame

import pygame

pygame.init()

win = pygame.display.set_mode((800,600))
pygame.display.set_caption('A bit Racey')
win.fill(255,255,255)