save project

diy.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'
+#file1=open(r'/Users/hltwhy/Desktop/book.docx','a',encoding=utf-8)
+#file1.write('小四:12本\n')
+#file1.write('小王:11本\n')
+
+#file1.close(/Users/hltwhy/Desktop/book.docx','a',encoding=utf-8)
+new_data=''
+with open (r'/Users/hltwhy/Desktop/book.txt','r',encoding='utf-8')as file1:
+#   a=file1.read()
+#    print(a)
+    for data in file1:
+        if "小四:12本" in data:
+            print("在文件中") 
+            data=data.replace('小四:12本','小四:11本')
+        new_data+=data
+with open (r'/Users/hltwhy/Desktop/book.txt','w',encoding='utf-8')as file1:
+    file1.write(new_data)
+with open (r'/Users/hltwhy/Desktop/book.txt','r',encoding='utf-8')as file1:
+    a=file1.read()
+    print(a)