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'
+file1=open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')
+file1.write("小兰:12本\n小丽:11本\n李文:9本\n张伟:16本\n")
+file1.close()
+file1=open(r'C:\Users\Administrator\Desktop\text.txt','a',encoding='utf-8')
+file1.write("小强:12本\n李明:15本\n")
+file1.close()
+with open(r'C:\Users\Administrator\Desktop\text.txt','a',encoding='utf-8') as file1:
+    file1.write("小强:12本\n李明:15本")
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8') as file1:
+    for i in file1:
+        if '小强:10本' in file1:
+            if'小兰:12本' in file1:
+                print("有小兰和小强")
+            else:
+                print("没有小兰")
+        else:
+            print("没有小强")
+