auto save

diy.py

 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
-with open(r'C:\Users\Administrator\Desktop\j.txt','w',encoding='utf-8') as j:
-    for i in j:
-        if '1' in i:
-            print("zai")
\ No newline at end of file
+def cha():
+    with open(r'C:\Users\Administrator\Desktop\j.txt','r',encoding='utf-8') as j:
+        k = input('你要查找什么呀？(按q退出)')
+        print('='*30)
+        for i in j:
+            if k in j:
+                print(str(k) + '在')
+                print('='*30)
+def xi():
+    with open(r'C:\Users\Administrator\Desktop\j.txt','x',encoding='utf-8') as j:
+        k = input('你要添加什么呀？(按q退出)')
+        print('='*30)
+        j.write(k)
+        for i in j:
+            if k in j:
+                print(str(k) + '已经添加过了')
+                print('='*30)
+                c = 1
+                return c
+        c = 0
+        return c
+