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\grape\Desktop\user.txt",'w',encoding='utf-8')
+file1.write('小兰：12本\n')
+file1.write('小明：2本')
+file1.write('小强：1本')
+file1.close()
+
+

j.py

+new_data=''
+with open(r"C:\Users\grape\Desktop\user.txt",'r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强：1本' in data:
+            data=data.replace('小强：1本','小强：11本')
+        new_data +=data
+with open(r"C:\Users\grape\Desktop\user.txt",'w',encoding='utf-8') as file1:
+    file1.write(new_data)
\ No newline at end of file