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\admin\Desktop\test.txt","w",encoding='utf-8')
+# file1.write("小兰：12本\n")
+# file1.write("小丽：11本\n")
+# file1.write("李文：9本\n")
+# file1.write("张伟：16本\n")
+# file1.close()
+# with open(r"C:\Users\admin\Desktop\test.txt","a",encoding='utf-8')as file1:
+#     file1.write("郑淏文：10本")
+new_i=""
+with open(r"C:\Users\admin\Desktop\test.txt","r",encoding='utf-8')as file1:
+    for i in file1:
+        if "郑淏文：10本" in i:
+            i=i.replace("10","100")
+        new_i+=i
+with open(r"C:\Users\admin\Desktop\test.txt","w",encoding='utf-8')as file1:
+    file1.write(new_i)
\ No newline at end of file