Human: What is a good Python code to replace strings with dictionary key values. Assistant: 
Here is a Python code to replace strings with dictionary key values

import sys

def replace_string_by_dictionary_key_values(string: str, dictionary: dict) -> str:
    """Replace strings by dictionary key values."""
    return ''.join([dictionary[c] if c in dictionary else c for c in str(string)])

# Enter the string
string = "hello"

# Enter the dictionary
dictionary = {'a': 'A', 'b': 'B', 'c': 'C'}

# Calling the function
print((replace_string_by_dictionary_key_values(string, dictionary)))

#Example Output
# hello

#Remember to inspect code for bugs.