save project

diy.py

@@ -5,10 +5,23 @@
 # a.write('李文：9本\n')
 # a.write('李文：9本\n')
 # a.write('张伟：16本')
 # a.write('张伟：16本')
 # a.close()
 # a.close()
-with open(r'C:\Users\David\Desktop\text.txt','a',encoding='utf-8') as a:
+# with open(r'C:\Users\David\Desktop\text.txt','a',encoding='utf-8') as a:
+
+#     b = a.readline()
+#      for b in a:
+#         if "小强：10本" in a:
+#             if"小兰：12本" in a:
+#                 print("数据在文件中")
+new_data=""
+with open(r'C:\Users\David\Desktop\text.txt','r',encoding='utf-8') as a:
+    for data in a:
+        if "小强：10本" in data:
+            data=data.replace("小强：10本","小强：11本")
+        if "小兰：12本" in data:
+            data=data.replace("小兰：12本","小兰：14本")
+        new_data+=data
+with open(r'C:\Users\David\Desktop\text.txt','w',encoding='utf-8') as a:
+    a.write(new_data)
+        
+
 
 
-    b = a.readline()
-     for b in a:
-        if "小强：10本" in a:
-            if"小兰：12本" in a:
-                print("数据在文件中")
\ No newline at end of file