Human: how to set default values in dict. Assistant: 
Here is a Python function to create a set default values in dict

import urllib.parse

def set_default_values(dictionary, default_values):
    """Sets default values in dict."""
    for key, value in list(default_values.items()):
        if key not in dictionary:
            dictionary[key] = value

# Enter the dictionary
dictionary = {"name": "dahlia", "age": "23", "city": "Delhi"}

# Enter the default values
default_values = {"name": "dahlia", "age": "23", "city": "Delhi"}

# Calling the function
print((set_default_values(dictionary, default_values)))

# Printing the dictionary
print(dictionary)

#Example Output
# None
# {'name': 'dahlia', 'age': '23', 'city': 'Delhi'}

#Remember to inspect code for bugs.