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'
+
+
+# file = open("d:/demo/data.txt",'w',encoding='utf-8')
+
+# file.write("哇哈哈：99")
+
+# file.close()
+
+# with open("d:/demo/data.txt",'a',encoding='utf-8') as file:
+#     file.write('悟空：10\n')
+
+with open("d:/demo/data.txt",'r',encoding='utf-8') as file:
+    for data in file:
+        if "悟空：10" in data:
+            print('悟空找到了。。')
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