Python doc string

filename = file_function1.py

"""
This script creates an empty files. <- doc string
"""

filename="sample1.txt"

#Create empty file
def create_file():
    """This function creates an empty file"""
    with open(filename,"w") as file:
        file.write("")  #Write empty string

PS
>>> import file_function1
>>> file_function1.__doc__
'\nThis script creates an empty files. <- doc string\n'