auto save

001.py

+f = open(r"C:\Users\Administrator\Desktop\text.txt","w",encoding="utf-8")
+f.write("小兰：12本，\n小强：10本")              #上面是写入模式
+f.close()
+
+with open(r"C:\Users\Administrator\Desktop\text.txt","a",encoding= "utf-8") as f:
+    f.write("俞老师：30本")                       # a 是追加模式
+
+new_data=""
+with open(r"C:\Users\Administrator\Desktop\text.txt","r",encoding= "utf-8") as f:
+    a= f.readlines()                               #  r读取模式
+    # print(a)
+    for data in a:
+        # print(data)
+        if "小兰：12本" in data:
+            print("数据在里面")
+
+            data = data.replace("小兰：12本","小兰：52本")
+        new_data =new_data+data
+print（new_data）
+
+
+with open(r"C:\Users\Administrator\Desktop\text.txt","w",encoding= "utf-8") as f:
+    f.write(new_data)
\ No newline at end of file

func.py

-total = []
-while True:
-    unit= input("请输入：")
-    if unit== 'q':
+a = open(r"C:\Users\Administrator\Desktop\名单.txt","w",encoding='utf-8')
+a.write("nihao\nabc")
+a.close()
\ No newline at end of file
-        break
-    else:
-        total.append(unit)
-print(total)
\ No newline at end of file