Human: Python program to from string to date format in Python. Assistant: 
Here is a Python program to convert string to date format

import datetime

def date_format(string):
        """Return the date formatted as string."""

        return string

# Enter the string
string = "12/12/2012"

# Calling the function
print((date_format(string)))

#Example Output
# 12/12/2012

#Remember to inspect code for bugs.