auto save

diy.py

+with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
+    a = file.readlines()
+    # print(a)
+
+result2=[]
+
+for i in a:
+    sum = 0
+    data = i.split()
+    # print(data[1:])
+    for j in range(1,len(data),1):
+        sum = sum + int(data[j])
+    result = data[0] + str(sum) + "\n"
+    result2.append(result)
+    # print(result)
+
+with open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8') as file1:
+    file1.writelines(result2)
+
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file2:
+    b = file2.read()
+    print(b)
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