save project

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("C:\\Users\\Administrator\\Desktop\\text.txt","w",encoding='utf-8')as abcd:
-abcd.write('小兰：12本\n')
-abcd.write('小丽：11本\n')
-abcd.write('李文：9本\n')
-abcd.write('张伟：16本\n')
-'''
-with open("C:\\Users\\Administrator\\Desktop\\text.txt","r",encoding='utf-8')as abcd:
-    a=abcd.read()
-    print(a)
-    '''
-with open("C:\\Users\\Administrator\\Desktop\\text.txt","r",encoding='utf-8')as abcd:
+
+with open("C:\\Users\\Administrator\\DesKtop\\test.txt","w",encoding='utf-8')as abcd:
+    abcd.write('小兰：12本\n')
+    abcd.write('小丽：11本\n')
+    abcd.write('李文：9本\n')
+    abcd.write('张伟：16本\n')
+new_dete=''
+with open("C:\\Users\\Administrator\\DesKtop\\test.txt","r",encoding='utf-8')as abcd:
     for i in abcd:
         if '张伟：16本' in i:
-            print(1)
-
-
-
-
-
+            i=i.replace('张伟：16本','张伟：15本')
+        new_dete+=i
 
+with open("C:\\Users\\Administrator\\DesKtop\\test.txt","w",encoding='utf-8')as abcd:
+    abcd.write(new_dete)
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