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'
+# a = open(r"C:\Users\EDZ\Desktop\book.txt","w",encoding='utf-8')
+# a.write("小兰：12本\n")
+# a.write("小：13本\n")
+# a.close()
+new_data=''
+with open("C:\Users\EDZ\Desktop\book.txt","w",encoding='utf-8') as fz:
+    for data in fz:
+        if '小强:10本' in data:
+            data = data.replace('小强：10本','小强：10本')
+        new_data +=data
+
+with open(r"C:\Users\EDZ\Desktop\book.txt","w",encoding='utf-8') as fz:
+    fz.write(new_data)
\ No newline at end of file