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'
+bb=''
+with open(r"C:\Users\lenovo\Desktop\test.txt",'r',encoding='utf-8') as a:
+    for b in a:
+        if '小强:12本' in b:
+            b=b.replace('小强:12本','小强:3.1415926535897932626本')
+        bb+=b
+with open(r"C:\Users\lenovo\Desktop\test.txt",'w',encoding='utf-8') as a:
+    a.write(bb)
\ No newline at end of file