save project

p.py

-a=open(r"C:\Users\Think\Desktop\er.txt","w",encoding="utf-8")
-a.write("re")
-a.close()
\ No newline at end of file
+# a=pen("C:ers\Think\Desktop\er.txt","w",encoding="utf-8")
+# a.write("re")
+# a.close()
+with open(r"C:\Users\Think\Desktop\er.txt","a",encoding="utf-8") as a:
+    a.write("小黄:890本\n")
+    a.write("小绿:880本\n")
+    a.write("小兰:0本\n")
\ No newline at end of file