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'
+# file = open(r"C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf-8')
+# file.write('小兰：12本\n')
+# file.write('小丽：11本\n')
+# file.write('李文：9本\n')
+# file.write('张伟：16本\n')
+# file.close()
+new_deta = ""
+with open(r"C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf-8')as file:
+    for data in file:
+        if '小兰：12本'in data:
+            data = data.replace('小兰：12本','小兰：15本')
+        if '张伟：16本'in data:
+            data = data.replace('张伟：16本','张伟：26本')
+        new_deta += data
+with open(r"C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf-8')as file:
+    file.write(new_deta)
+with open(r"C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf-8')as file:
+    a = file.read()
+    print(a)
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