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'
-with open(r"C:\Users\MC3-08\Desktop\test1.txt","r",encoding="utf-8")as filel:
-    for data in filel:
-        if"小兰：12本" in data:
-            print("有数据")
-        else:
-            print("没有数据")
-:
-
-           
-
-        
+# with open(r"C:\Users\MC3-08\Desktop\test1.txt","r",encoding="utf-8")as filel:
+#     for data in filel:
+#         if"小兰：12本" in data:
+#             print("有数据")
+#         else:
+#             print("没有数据")
+
+new = ""
+with open(r"C:\Users\MC3-08\Desktop\test1.txt","r",encoding="utf-8") as filel:
+    for date in filel:
+        if "小2b：10本" in date:
+            date = date.replace("小2b：10本","小2b：13本")
+        new = new+date
+with open(r"C:\Users\MC3-08\Desktop\test1.txt","w",encoding="utf-8") as filel:
+    filel.write(new)