save project

diy.py

@@ -7,7 +7,18 @@
 #file=open(r"C:\Users\EDY\Desktop\伏地魔.txt",'a',encoding='utf-8')
 #file.write('小明：1本\n')
 #file.close()
+new_data=''
+with open(r"C:\Users\EDY\Desktop\伏地魔.txt",'r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强：10本'in data:
+            data=data.replace('小强：12本','小强：14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\EDY\Desktop\伏地魔.txt",'w',encoding='utf-8') as file:
+    file1.write(new_data)
+
 with open(r"C:\Users\EDY\Desktop\伏地魔.txt",'r',encoding='utf-8') as file:
-    for i in file:
-        if "小明：1本" in i:
-            print("该数据在里面")
\ No newline at end of file
+    a=file1.read()
+    print(a)
\ No newline at end of file