save project

diy.py

+
+file1=open(r'C:\Users\EDY\Desktop\1.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()
+with open(r"C:\Users\EDY\Desktop\1.txt","a",encoding="utf-8") as a:
+    a.write('bell:10本')
+with open(r"C:\Users\EDY\Desktop\1.txt","r",encoding="utf-8") as a:
+    b=a.read()
+    print(b)
\ No newline at end of file