how to save number in file python code example

Example: create file and write numbers to file in python

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