save to file text adventure

import time # importing time module to record the currrent time.
name=""
score=0
def welcome():
    global name, score
    name = input("Whats your name?")
    print ("Welcome",name)
    score+=len(name)# silly increment of score based on name length
    saving()
def saving():
    global name, score
    try: # try to open testfile.txt
        file = open("testfile.txt","a") # if file is found open in append mode 'a'
    except FileNotFoundError: #if testfile.txt is not found
        file = open("testfile.txt","w") # if not found create a new file and open in write mode 'w'

    file.write(name) # write the name variable to file
    file.write("\n") # make a new line
    file.write(str(time.ctime())) # write the current time 'ctime()'
    file.write("\n")
    file.write(str(score)) # write the name variable to file as a string (str)
    file.write("\n")
    time.sleep(5) # wait for 5 seconds (to demonstrate time change)
    file.write(str(time.ctime())) # write the updated time
    file.write("\n")
    file.write("--------------------")
    file.write("\n")
    file.close() # close the file

welcome()