save project

diy1.py

+# file1=open(r"C:\Users\Administrator\Desktop\diy1.txt","r",encoding='utf-8')
+# a=[file1.read()]
+# for i in a:
+#     if '小强' in i:
+#         print('在文件中')
+# file1.close()
+
+with open(r"C:\Users\Administrator\Desktop\diy1.txt",'r',encoding='utf-8') as file1:
+    a=[file1.read()]
+    for i in a:
+        if '小强' in i:
+            print('在文件中')
+            i=i.replace('小强：12本','小强：11')
+        iii=i
+    for w in a:
+        if '小丽' in i:
+            print('在文件中')
+            w=w.replace('小丽：12本','小丽：14本')
+        www=w
+with open(r"C:\Users\Administrator\Desktop\diy1.txt",'w',encoding='utf-8') as file1:
+    file1.write(iii)
+    file1.write(www)