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'
+# file1=open(r"C:\Users\玛酷机器人002\Desktop\test.txt",'w',encoding='utf-8')
+# file1.write('小兰：12本\n')
+# file1.write('小丽：11本\n')
+# file1.write('李文：9本\n')
+# file1.write('张伟：16本\n')
+# file1.close()
+
+
+# file1=open(r"C:\Users\玛酷机器人002\Desktop\test.txt",'a',encoding='utf-8')
+# file1.write("小红：12\n")
+# file1.write("小路：232\n")
+# file1.close()
+
+
+
+# with open(r"C:\Users\玛酷机器人002\Desktop\test.txt",'a',encoding='utf-8') as file1:
+#     file1.write("小黑：12本\n")
+#     file1.write("小白：232本\n")
+
+
+# with open(r"C:\Users\玛酷机器人002\Desktop\test.txt",'r',encoding='utf-8') as file1:
+#      a=file1.read()
+#      print(a)
+
+
+
+# file1=open(r"C:\Users\玛酷机器人002\Desktop\test.txt",'r',encoding='utf-8')
+# a=file1.read()
+# print(a)
+# file1.close()
+
+
+new_data=''
+with open(r"C:\Users\玛酷机器人002\Desktop\test.txt",'r',encoding='utf-8') as file1:
+    for data in file1:
+        if "小红：12"in data:
+            data=data.replace('小红：12','小红：20')
+        if "小路：232"in data:
+            data=data.replace('小路：232','小路：23567')
+        new_data +=data
+
+with open(r"C:\Users\玛酷机器人002\Desktop\test.txt",'w',encoding='utf-8') as file1:
+    file1.write(new_data)
+
+with open(r"C:\Users\玛酷机器人002\Desktop\test.txt",'r',encoding='utf-8') as file1:
+    a=file1.read()
+    print(a)