save project

sdg.py

+date=""
+with open(r"C:\Users\Administrator\Documents\f.txt",'w',encoding='utf-8')as file:
+    file.write("小兰：12本")
+    file.write("小强：10本")
+    file.close()
+with open(r"C:\Users\Administrator\Documents\f.txt",'r',encoding='utf-8')as file:
+    file.read()
+    for i in file:
+        if "小兰：12本" in file:
+            print("有小兰")
+            date=file.replace("10","11")
+        if "小强：10本" in file:
+            print("有小强")
+            date=file.replace("12","14")
+    
+with open(r"C:\Users\Administrator\Documents\f.txt",'w',encoding='utf-8')as file:
+    file.write(date)
+with open(r"C:\Users\Administrator\Documents\f.txt",'r',encoding='utf-8')as file:
+    file.read()
+    print(date)
+