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'
+# www=open(r"C:\Users\EDZ\Desktop\text.txt","a",encoding="utf-8")
+# www.write("小兰:12\n")
+# www.write("小丽:11\n")
+# www.write("李文:9\n")
+# www.write("张伟:16\n")
+# www.close()
+with open(r"C:\Users\EDZ\Desktop\text.txt","a",encoding="utf-8") as www:
+    www.write("小强:10\n")
+    www.write("李明:15\n")
+new_data=''
+with open(r"C:\Users\EDZ\Desktop\text.txt","r",encoding="utf-8") as www:
+    for data in www:
+        if "小强:10" in data:
+            data=data.replace("小强;10","小强:11")
+        new_data+=data
+with open(r"C:\Users\EDZ\Desktop\text.txt","w",encoding="utf-8") as www:
+    www.write(new_data)
\ No newline at end of file