save project

lesson.py

+result = ""
+with open(r'c:\Users\1\Desktop\book.txt','r',encoding='utf-8') as file1:
+    a=file1.readlines()
+    for i in a:
+        b=i.split()
+        sum=0
+        for j in b[1:]:
+            sum+=int(j)
+        result+= b[0]+str(sum)+"\n"
+    print(result)
+
+with open(r'c:\Users\1\Desktop\book.txt','w',encoding='utf-8') as file1:
+    file1.write(result)
\ No newline at end of file