save project

diy.py

+with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8')as filt:
+    a=book.readlines()
+for i in range(a):  
+    print(i)
\ No newline at end of file

sales_list.txt

+s = 1
+for i in range(5):
+    if i == 4:
+    continue
+    s = i*s
+print(s)
+
+
+
+
+