auto save

f.py

+
+while True:
+    a=float(input('eurguu:'))
+    if a<6:
+        print("%.2f"%(a*5))
+        continue
+    elif a>=6 and a<=10:
+        print("%.2f"%(a*5*0.8))
+        continue
+    else:
+        print("%.2f"%(a*5*0.7))
+        continue
\ No newline at end of file

snake.py

 import pygame
 import pygame
-
-# 初始化pygame，为使用pygame做准备
+from pygame import locals
 pygame.init()
 pygame.init()
-
-# 创建一个窗口
-??
+screen=pygame.display.set_mode((660,480))
+FPSCLOCK=pygame.time.Clock()
+background=pygame.image.load('bg.png')
\ No newline at end of file
+right=pygame.image.load('right.png')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+food=pygame.image.load('apple.png')
+body=pygame.image.load('body.png')
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+setheading="right"
+snake_head=right
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+        elif event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading !='left':
+                setheading='right'
+                snake_head=right
+            if event.key==locals.K_LEFT and setheading !='right':
+                setheading='left'
+                snake_head=left
+            if event.key==locals.K_UP and setheading !='down':
+                setheading='up'
+                snake_head=up
+            if event.key==locals.K_DOWN and setheading !='up':
+                setheading='down'
+                snake_head=down
+   
+    if setheading=="right":
+        x +=30
+    elif setheading=="left":
+        x -=30
+    elif setheading=="up":
+        y -=30
+    else:
+        y +=30
+    position.append((x,y))
+    position.pop(0)
+    screen.blit(background,(0,0))
+    screen.blit(snake_head,position[-1])
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    screen.blit(food,(360,300))
+    
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file