save project

1.py

+a=open("C:\\Users\\EDY\\Desktop\\text.txt","w",encoding="utf-8")
+a.write("小强:12")
+a.close()
+b=""
+with open("C:\\Users\\EDY\\Desktop\\text.txt","r",encoding="utf-8") as a:
+    for data in a:
+        if"小强:12"in data:
+            b=data.replace("小强:12","小强:13")
+        b+=data
+with open("C:\\Users\\EDY\\Desktop\\text.txt","w",encoding="utf-8") as a:
+    a.write(b)
+    print(b)
\ No newline at end of file