auto save

diy1.py

+# 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
+# 打开、创建文件，这里的路径要换成自己哦~
+file1= open(r'C:\Users\CM\Desktop\book.txt','w',encoding='utf-8')
+# 写入数据
+file1.write('小兰：12本\n')
+file1.write('小丽：11本\n')
+file1.write('李文：9本\n')
+file1.write('张伟：16本\n')
+# 关闭文件
+file1.close()
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diy2.py

+# 补充捐赠明细，两种写法：
+
+# 补充数据的第一种写法：
+file= open(r'C:\Users\CM\Desktop\book.txt','a',encoding='utf-8')
+file.write('小强：10本\n') 
+file.write('李明：15本\n')
+file.close()
+
+# 补充数据的第二种写法：
+with open(r'C:\Users\CM\Desktop\book.txt','a',encoding='utf-8') as file:
+    file.write('小强：10本\n') 
+    file.write('李明：15本\n')
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diy3.py

+# 完成修改数据前的遍历和条件判断，找下'小强：10本'在不在数据中，以及小兰的数据'小兰：12本'在不在
+with open(r'C:\Users\CM\Desktop\book.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强：10本' in data:
+            print('小强数据在文件中')
+        if '小兰：12本'in data:
+            print('小兰数据在文件中')
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diy4.py

+# 修改小强的数据为11本，以及小兰的数据'小兰：12本'修改为14本，最后读取修改后的数据
+new_data=''
+with open(r'C:\Users\CM\Desktop\book.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强：10本'in data:
+            data=data.replace('小强：10本','小强：11本')
+        if '小兰：12本'in data:
+            data=data.replace('小兰：12本','小兰：14本')
+        new_data +=data
+
+with open(r'C:\Users\CM\Desktop\book.txt','w',encoding='utf-8') as file1:
+    file1.write(new_data)
+
+with open(r'C:\Users\CM\Desktop\book.txt','r',encoding='utf-8') as file1:
+    a=file1.read()
+    print(a)

lesson2-diy1.py

+import pygame
+from pygame import locals
+pygame.init()
+screen = pygame.display.set_mode((660, 480))
+FPSCLOCK = pygame.time.Clock() 
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+x, y = 240, 120  
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+    x += 30  
+    screen.blit(background, (0, 0))
+    screen.blit(right, (x, y))  #
+    screen.blit(body, (210, 120))
+    screen.blit(body, (180, 120))
+    screen.blit(body, (180, 90))
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(3)
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lesson2-diy2.py

+import pygame
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+
+FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.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)]
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()
+    x += 30   #
+    position.append((x, y))
+    position.pop(0)
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇的头画上去
+    screen.blit(right, position[-1])  #
+    # 将贪吃蛇的身体画上去
+    for i in range(len(position)-1):
+        screen.blit(body, position[i])
+
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file

lesson2-diy3.py

+import pygame
+from pygame import locals
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')      # 头 朝右
+food = pygame.image.load('apple.png')       # 食物 苹果
+body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.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:
+            # 接收到退出事件后退出程序
+            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
+
+    # 设置贪吃蛇的头部坐标
+    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)
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇的头画上去
+    screen.blit(snake_head, position[-1])
+    # 将贪吃蛇的身体画上去
+    for i in range(len(position)-1):
+        screen.blit(body, position[i])
+
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file

review.py

+# a_b = "Python"
+# print(a_b)
+
+
+# c = input("请输入你的名字:")
+
+# print(c)
+
+# a = 3
+# print(a ** 2)
+
+# a = "python"
+# d = a[0:3]
+# print(d)
+
+# a = [1, 0.5, "Python"]
+# # print(a[0:2])
+# a.append("Scratch")
+# print(a)
+
+# a.pop()
+# print(a)
+
+# a = [1, 2]
+# b = (1, 2)
+
+# a[0] = 0
+# b[0] = 0
+
+# a = {"小明" : 90, "小红" : 80, "小黄" : 70}
+# # print(a["小明"])
+# a["小明"] = 100
+# print(a)
+
+# b = "error"
+# a = True
+# print(a)
+
+# c = "1"
+# print(c == 1)
+
+
+
+# a = 90
+# if a >= 60:
+# 	print("成绩合格")
+# else:
+# 	print("成绩不合格")
+
+# score = 90
+# if score >= 85:
+# 	print("成绩优秀")
+# elif score >= 60:
+# 	print("成绩合格")
+# else:
+# 	print("成绩不合格")
+
+# i = 0
+# while i < 5:
+#     i = i + 1
+#     print(i)
+
+# a = "python"
+# e = 0
+# for i in a:
+#     print(i)
+    
+# a = ["Python", "Scratch", [1, 2]]
+# for i in a:
+# 	print(i)
+
+a = {"小明" : "ss", "小红" : [80,90], "小黄" : 70}
+# for i in a:
+#     print(i)
+#     print("石头")
+#     print(a[i])
+# print(a["小明"])
+
+# for i in range(0, 10):
+#     print(i)
+
+
+def sum(x, y, z):
+
+    # print(x+y+z)
+    return x+y
+
+a = sum(1, 2, 3)
+
+def sum(x, y, z):
+
+    # print(x+y+z)
+    return x+y+z
+
+b = sum(1, 2, 3)
+
+print(a, b)
\ No newline at end of file

review_past.py

+# print("1")
+# a = input("请输出你的名字:")
+# print("2")
+# print(a)
+
+# a = "Python"
+# print(a[1])
+
+# b = "语言"
+# c = a+b
+# print(c) 
+
+# b = 1
+# c = "python"
+# print(type(b))
+# print(type(c))
+
+# a = "1"
+# print(type(a))
+
+# a = [1, 0.5, "Python"]
+# # print(a[0:2])
+# # print(a[1])
+# # print(a[2])
+# # a[0] = 0
+# # print(a[0])
+# a.append("Scratch")
+# # print(a[3])
+# a.pop()
+# print(a)
+
+
+# d = ["石头", ["py", "src"]]
+
+# e = ("石头", ["py", "src"])
+
+# e[0] = 1
+
+# a = {"小明" : 90, "小红" : 80, "小黄" : 70}
+# print(a["小明"])
+
+# b = {"小明" : "py", "小红" : ["s", "b"], "小黄" : 70}
+# b["小明"]  = "scr"
+# print(b)
+
+# a = True
+# print(type(a))
+
+# a = 1
+# print(a == 1)
+# print(a == "1")
+
+# a = 1
+# b = 2
+# c = 3
+# print((a < b) and (b < c)) 
+
+# if True:
+#     print("yes")
+# int()
+
+# a = "90" 
+# print(type(a))
+# b = int(a)
+# print(type(b))
+
+# score = int(input("请输入你的成绩:"))
+# if score >= 85:
+# 	print("成绩优秀")
+# elif score >= 60:
+# 	print("成绩合格")
+# else:
+# 	print("成绩不合格")
+
+# i = 0
+# while i < 5:
+#     i = i + 1
+#     print(i)
+#     if i == 3:
+#         break
+
+# a = "Python"
+# for i in a:
+#     print(i)
+
+# b = ["python", "scratch"] 
+# for i in b:
+#     print(i)
+
+a = {"小明" : 90, "小红" : 80, "小黄" : 70}
+for i in a:
+	print(a[i])

snake.py

 import pygame
+from pygame import locals
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
-??
\ No newline at end of file
+size = (660,480)
+screen = pygame.display.set_mode(size)
+
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+
+    screen.blit(background, (0,0))
+    screen.blit(right, (240,120))
+    screen.blit(body, (210,120))
+    screen.blit(body, (180,120))
+    screen.blit(body, (180,90))
+    screen.blit(food, (360, 300))
+    
+    pygame.display.update()
\ No newline at end of file