save project

diy.py

+# 写入同学们的捐赠明细：'小兰：12本'、、'李文：9本'、'张伟：16本'
+# file=open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')
+# file.write('小兰：12本\n')
+# # file.write('李明：15本\n')
+# file.close()
+# with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8') as file:
+#     file.write('乐迪：19本\n')
+#     file.write('黄锦轩：12本\n')
+#     file.write('何民正：1本\n')
+new_hmz=''
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file:
+    for hmz in file:
+        if '何民正：1本' in hmz:
+            hmz=hmz.replace('何民正：1本','何民正：0本')
+        new_hmz=new_hmz+hmz
+with open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8') as file1:
+    oldhmz=file1.write(new_hmz)
+
+