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'
+# asrfs=open("C:\\Users\\shtlj\\Desktop\\text.txt","w",encoding='utf-8')
+# 
+# 
+# 
+#   
+# asrfs.close()
+qwe=""
+with open("C:\\Users\\shtlj\\Desktop\\text.txt","w",encoding='utf-8') as asrfs:
+    asrfs.write("小兰：12本\n")
+    asrfs.write("小丽：11本\n")
+    asrfs.write("李文：9本\n")
+    asrfs.write("张伟：16本\n")
+with open("C:\\Users\\shtlj\\Desktop\\text.txt","r",encoding='utf-8') as asrfs:  
+    for data in asrfs:
+        if "小兰：12本" in data:
+            data=data.replace("小兰：12本","小兰：19本")
+        qwe+=data  
+with open("C:\\Users\\shtlj\\Desktop\\text.txt","w",encoding='utf-8') as asrfs:  
+    asrfs.write(qwe)
+
+