save project

diy.py

+#with open(r"C:\Users\mk\Desktop\book.txt",'w',encoding='utf-8') as file:
+#    file.write('小兰:12本\n')
+#    file.write('小丽:11本\n')
+#    file.write('李文:9本\n')
+with open(r"C:\Users\mk\Desktop\book.txt",'r',encoding = 'utf-8') as file:#打开文件
+    for date in file: #遍历file date为储存数据的量
+        if '小兰:12本' in date: #判断'小兰:12本'是否date里
+            print('数据在文件里') #输出
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文件读写/1.py

+import turtle
+import turtle
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