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'
+
+new_data = ''
+with open(r'','a',enconding = 'utf-8') as fine:
+    for data in fine:
+        if '小强：10本' in data
+            fine.write('小强是人\n')
+        if '李明：15本' in data
+            fine.write('李明是人\n')
+        new_data +=data
+with open(r'','a',enconding = 'utf-8') as fine:
+    fine.write(new_data)
+with open(r'','a',enconding = 'utf-8') as fine:
+    a=fine.read()
+    print(a)
\ No newline at end of file