how to check if left arrow is pressed in pygame code example

Example 1: check key pressed pygame

import pygame
events = pygame.event.get()
for event in events:
    if event.type == pygame.KEYDOWN:
        if event.key == pygame.K_LEFT:
            location -= 1
        if event.key == pygame.K_RIGHT:
            location += 1

Example 2: pygame keydown

for event in pygame.event.get():
	if event.type == pygame.KEYDOWN:
    	return True