np.genfromtxt(r'C:\Users\Yummy\Desktop\julei\julei\iris.data', delimiter=' ', max_rows=4)
时间: 2023-10-02 18:07:20 浏览: 114
As an AI language model, I cannot execute external files on my own. However, I can provide you with an explanation of what the given code does.
The code uses the NumPy library's genfromtxt function to read data from a file located at the specified file path. In this case, the file is 'iris.data' located on the desktop of the current user. The delimiter parameter is set to a space character to indicate that the data is separated by spaces. The max_rows parameter is set to 4, indicating that only the first 4 rows of the data will be read.
The output of this function call will be a NumPy array containing the first 4 rows of the 'iris.data' file.
相关问题
15 3 C:\Users\yummy\Documents\dvc\c4\5.cpp [Error] 'retun' was not declared in this scope
这个错误提示表明在C++代码中使用了未定义的变量或函数。更具体地说,这个错误可能是因为您在代码中使用了“retun”而不是“return”。请检查您的代码并确保所有变量和函数都已正确定义和拼写。
以下是一些可能有用的解决方法:
1. 检查代码中的所有变量和函数是否正确定义和拼写。
2. 检查代码中是否存在其他语法错误。
3. 确保您的代码中包含所需的头文件和库文件。
4. 如果您使用的是IDE,请尝试重新启动IDE并重新编译代码。
写一个贪吃蛇的python代码
好的,以下是一个简单的贪吃蛇Python代码,你可以运行它来玩贪吃蛇游戏:
```python
import pygame
import time
import random
# 初始化pygame
pygame.init()
# 定义颜色
white = (255, 255, 255)
black = (0, 0, 0)
red = (213, 50, 80)
green = (0, 255, 0)
blue = (50, 153, 213)
# 定义屏幕大小
dis_width = 600
dis_height = 400
# 创建屏幕
dis = pygame.display.set_mode((dis_width, dis_height))
pygame.display.set_caption('Snake Game by CodeWithHarry')
# 设置时钟
clock = pygame.time.Clock()
snake_block = 10
snake_speed = 15
font_style = pygame.font.SysFont(None, 30)
def message(msg, color):
mesg = font_style.render(msg, True, color)
dis.blit(mesg, [dis_width / 6, dis_height / 3])
def gameLoop(): # 创建游戏循环函数
game_over = False
game_close = False
x1 = dis_width / 2
y1 = dis_height / 2
x1_change = 0
y1_change = 0
foodx = round(random.randrange(0, dis_width - snake_block) / 10.0) * 10.0
foody = round(random.randrange(0, dis_height - snake_block) / 10.0) * 10.0
while not game_over:
while game_close == True:
dis.fill(blue)
message("You Lost! Press Q-Quit or C-Play Again", red)
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
game_over = True
game_close = False
if event.key == pygame.K_c:
gameLoop()
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x1_change = -snake_block
y1_change = 0
elif event.key == pygame.K_RIGHT:
x1_change = snake_block
y1_change = 0
elif event.key == pygame.K_UP:
y1_change = -snake_block
x1_change = 0
elif event.key == pygame.K_DOWN:
y1_change = snake_block
x1_change = 0
if x1 >= dis_width or x1 < 0 or y1 >= dis_height or y1 < 0:
game_close = True
x1 += x1_change
y1 += y1_change
dis.fill(blue)
pygame.draw.rect(dis, green, [foodx, foody, snake_block, snake_block])
pygame.draw.rect(dis, black, [x1, y1, snake_block, snake_block])
pygame.display.update()
if x1 == foodx and y1 == foody:
print("Yummy!!")
clock.tick(snake_speed)
pygame.quit()
quit()
gameLoop() # 开始游戏循环
```
希望这个代码能帮到你!
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