Example 15

scratch_15.py

from sys import argv# Imports module argv from library sys

script, filename = argv# get and set script and filename variables from user input

txt = open(filename)# set variable txt with a function

print(f"Here's your file {filename}") # This prints a sentence and a variable print(f"bla {variable"}
print(txt.read()) # this print a call to a variable that consist in a function

print("Type the filename again:") # print a string
file_again = input("> ") # defines a variable file_again that gets the value from user input

txt_again = open(file_again) # defines the variable txt_again to a function or method

print(txt_again.read()) # prints in screen a variable that is a function