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
+a=open(r'C:\Users\BBTC\Desktop\test.txt','w',encoding='utf-8')
+#a.write('A:12\n')
+#a.write('B;11\n')
+#a.write('C;9\n')
+a.write('D;16\n')
+#a.close()
+
+with open(r'C:\Users\BBTC\Desktop\test.txt','a',encoding='utf-8') as a:
+    for date in a:
+        if"D:10"in date:
+            print("在")
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