save project

1.py

+new_data=''
+with open(r"C:\Users\dell\Desktop\新建文本文档.txt",'r',encoding='utf-8') as file1: 
+    for data in file1:
+        if '小强:10本'in data:
+            data=data.replace('小强：10本','小强：11本')
+        if '小兰：12本'in data:
+            data=data.replace('小兰：12本','小兰：14本')
+        new_data+=data
+with open(r"C:\Users\dell\Desktop\新建文本文档.txt",'r',encoding='utf-8') as file1: 
+    file1.write(new_data)
+with open(r"C:\Users\dell\Desktop\新建文本文档.txt",'r',encoding='utf-8') as file1: 
+    a=file1.read()
+    print(a)
\ No newline at end of file

diy2.py

@@ -2,4 +2,4 @@ for i in range(1,10):  # 行
     for j in range(1,i+1):  # 列
     for j in range(1,i+1):  # 列
 # 使用变量i和j，代替乘法算式里面的元素，打印出单个乘法算式
 # 使用变量i和j，代替乘法算式里面的元素，打印出单个乘法算式
         print(j,"*",i,"=",(j*i),end="  ")
         print(j,"*",i,"=",(j*i),end="  ")
-print()
+    print()
\ No newline at end of file