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=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.write('D;16\n')
 #a.close()
 
-with open(r'C:\Users\BBTC\Desktop\test.txt','a',encoding='utf-8') as a:
+with open(r'C:\Users\BBTC\Desktop\test.txt','r',encoding='utf-8') as a:
     for date in a:
-        if"D:10"in date:
+        if "D:10" in date:
             print("在")
\ No newline at end of file