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'
+sb=open(r'C:\Users\admin\Desktop\text.txt','w',encoding='utf-8')
+sb.write("小丽：11本\n")
+sb.write("李文：9本\n")
+sb.close()
+with open(r'C:\Users\admin\Desktop\text.txt','a',encoding='utf-8')as sb:
+    sb.write("孔令妍：10本书\n")
+new_str=''
+with open(r'C:\Users\admin\Desktop\text.txt','r',encoding='utf-8')as sb:
+    for i in sb:
+        if "孔令妍：10本书"in i:
+            i=i.replace('孔令妍：10本书','孔令妍：100本书')
+        new_str+=i
+with open(r'C:\Users\admin\Desktop\text.txt','w',encoding='utf-8')as sb:
+    sb.write(new_str)
\ No newline at end of file