save project

diy.py

+#file1=open('C:\\Users\\Administrator\\Desktop\\text.txt','w',encoding='utf-8')
+#file1.write("小兰：12本\n")
+#file1.write("小丽：11本\n")
+#file1.write("李文：9本\n")
+#file1.write("张伟：16本\n")
+#file1.write("小强：12本\n")
+#file1.write("李明：15本\n")
+#file1.close()
+with open('C:\\Users\\Administrator\\Desktop\\text.txt','w',encoding='utf-8') as file1:
+    file1.write("小兰：12本\n")
+    file1.write("小丽：11本\n")
+    file1.write("李文：9本\n")
+    file1.write("张伟：16本\n")
+    file1.write("小强：12本\n")
+    file1.write("李明：15本\n")
+new_data=''
+with open('C:\\Users\\Administrator\\Desktop\\text.txt','r',encoding='utf-8') as file1:
+    for i in file1:
+        if "小强：12本" in i:
+            i=i.replace('小强：12本','小强：11本')
+        if "小兰：12本" in i:
+            i=i.replace('小兰：12本','小兰：14本')
+        new_data+=i
+with open('C:\\Users\\Administrator\\Desktop\\text.txt','w',encoding='utf-8') as file1:
+    file1.write(new_data)
+with open('C:\\Users\\Administrator\\Desktop\\text.txt','r',encoding='utf-8') as file1:
+    a=file1.read()
+    print (a)
\ No newline at end of file