save project

ab.py

+import diy
+while True:
+    aba = input("你想写入还是读取呢？注：写入输入'w'读取输入'r'改输入'g''q'退出")
+    if aba == "w":
+        diy.zhuijia()
+    if aba == "r":
+        diy.duqu()
+    if aba =="q":
+        break
+    if aba == "g":
+        v = diy.gai()
+        diy.xie(v)
\ No newline at end of file

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'
-a = open(r"C:\Users\ycl77\Desktop\sfjbnqug.txt","w",encoding="UTF-8")
-a.write("小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'")
-a.close()
+def zhuijia():
+    while True:
+        yonghu = input("用户输入内容")
+        if yonghu == "q":
+            break
+        else:
+            with open(r"C:\Users\ycl77\Desktop\sfjbnqug.txt","a",encoding="UTF-8") as a:
+                a.write(yonghu+"\n")
+def duqu():
+     with open(r"C:\Users\ycl77\Desktop\sfjbnqug.txt","r",encoding="UTF-8") as a:
+            zhi = a.read()
+            print(zhi)
+
+def gai():
+    new = ""
+    gai_new = input("请输入要改的旧值：")
+    new_1 = input("请输入新的值：")
+    with open(r"C:\Users\ycl77\Desktop\sfjbnqug.txt","r",encoding="UTF-8") as a:
+            # print(zhi)
+            for i in a:
+                if gai_new in i:
+                    i = i.replace(gai_new,new_1)
+                new += i
+    return new
+def xie(abab):
+    with open(r"C:\Users\ycl77\Desktop\sfjbnqug.txt","w",encoding="UTF-8") as a:
+                a.write(abab)