create file and write numbers to file in python

1##Write a Python program to create a file of numbers 
2##by taking input from the user and 
3##then display the content of the file. 
4##You can take input of non-zero numbers, 
5##with an appropriate prompt, from the user until the user enters a zero 
6#to create the file assuming that the numbers are non-zero.  
7    f = open ('NumFile.txt','w')
8    while True :
9        no = int(input("enter a number (0 for exit)"))
10        if no == 0 :
11            print("you entered zero(0) ....... \n now you are exit  !!!!!!!!!!!")
12            break
13        else :
14            f.write(str(no)+"\n")
15    f.close() 
16    f1 = open ('NumFile.txt','r')
17    print("\ncontent of file :: \n",f1.read())
18    f1.close()
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