save project

Untitled-1.py.py

-# a=open(r"C:\Users\Windows 10\Desktop\book.txt",'w',encoding='utf-8')
-# a.write("小兰：12本\n小丽：11本\n李文：9本\n张伟：16本\n")
+a=open(r"C:\Users\Windows 10\Desktop\book.txt",'w',encoding='utf-8')
+a.write("小兰：12本\n小丽：11本\n李文：9本\n张伟：16本\n")
+a.close()
+with open(r"C:\Users\Windows 10\Desktop\book.txt","a",encoding="utf-8") as a:
+    a.write("\n小兰：12本\n")
+# a=open(r"C:\Users\Windows 10\Desktop\book.txt",'r',encoding='utf-8')
+# b=a.read()
+# print(b)
 # a.close()
-# with open(r"C:\Users\Windows 10\Desktop\book.txt","a",encoding="utf-8") as a:
-#     a.write("\n小兰：12本\n")
+with open(r"C:\Users\Windows 10\Desktop\book.txt",'r',encoding='utf-8') as a:
+    b=a.read()
+    print(b)
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