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'c:\User\Cm\Desktop\book.txt','a',encoding='utf-8')
+#file1.write('小强:12本\n')
+#file1.write('李明:15本\n')
+#file1.close()
+
+with open(r'c:\User\Cm\Desktop\book.txt','r',encoding='utf-8') as file:
+     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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