save project

dd.py

+with open(r'c:\Users\TH\Desktop\lzh.txt','r',encoding='utf-8') as file:
+    for data in file:
+        if '小强：10本' in data:
+            dadt=dadt.replace('小强：10本','小强：11本')
+        new_data+=data
+print(new_data)

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'
+# with open(r'c:\Users\TH\Desktop\lzh.txt','w',encoding='utf-8') as file:
+#     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')
+# with open(r'c:\Users\TH\Desktop\lzh.txt','a',encoding='utf-8') as file:
+#     file.write('小强：12本\n')
+#     file.write('李明：15本\n')
+# with open(r'c:\Users\TH\Desktop\lzh.txt','r',encoding='utf-8') as file:
+#     a=file.read()
+    #print(a)
+new_data=''
+with open(r'c:\Users\TH\Desktop\lzh.txt','r',encoding='utf-8') as file:
+    for data in file :
+        if '小强：12本\n' in data:
+            data=data.replace('小强：12本','小强：11本')
+        if '小兰：12本\n' in data:    
+            data=data.replace('小兰：12本','小兰：14本')
+        new_data+=data
+with open(r'c:\Users\TH\Desktop\lzh.txt','w',encoding='utf-8') as file:
+    file.write(new_data)
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