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'
+#b=open(r'D:\桌面\text.txt','w',encoding='utf-8')
+#b.write('兰:12本\n')
+#b.write('丽:11本\n')
+#b.write('李:9本\n')
+#b.write('张:16本\n')
+#b.close()
+#b=open(r'D:\桌面\text.txt','a',encoding='utf-8')
+#b.write('强:12本\n')
+# b.write('李明轩:15本\n')
+# b.close()
+# with open(r'D:\桌面\text.txt','w',encoding='utf-8') as b:
+#     b.write('兰:12本\n')
+#     b.write('丽:11本\n')
+#     b.write('李:9本\n')
+#     b.write('张:16本\n')
+#     b.write('强:12本\n')
+#     b.write('李明轩:15本\n')
+c=''
+with open(r'D:\桌面\text.txt','r',encoding='utf-8') as b:
+    for a in b:
+        if '强:12本' in b:
+            b=b.replace('强:12本','强:11本')
+        
+        if '兰:12本' in b:
+            b=b.replace('兰:12本','兰:14本')
+        c+=b 
+     
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