save project

666.py

+file1=(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8')
+file1.write('小兰：12本','小丽：11本','李文：9本','张伟：16本')
+file1.close()
+with open(r'C:\Users\Administrator\Desktop\book.txt','a',encoding='utf-8') as file1:
+    file1.write('小强：12本\n'+'李明：15本\n')
\ No newline at end of file

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'
+with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8') as file1:
+    for data in file1():
+        if '小强：12本' in file1:
+            print('1')
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