Human: dialog choose directory. Assistant: 
Here is a Python code to dialog choose directory

import os

def choose_dir():
    """
    Dialog for choosing directory.
    """
    dir ="purple skateboard"
    if dir == "":
        dir = "."
    return dir

# Enter the directory
dir = "."

# Calling the function
print((choose_dir()))

#Example Output
# purple skateboard

#Remember to inspect code for bugs.