Code Library

from difflib import SequenceMatcher

def compare_strings(string1, dictionary):
    similarity_ratios = {key: SequenceMatcher(None, string1, key).ratio() for key in dictionary.keys()}
    max_ratio = max(similarity_ratios.values())
    if max_ratio >= 0.7:
        matching_keys = [key for key, value in similarity_ratios.items() if value == max_ratio]
        matching_values = [dictionary[key] for key in matching_keys]
        return matching_values
    else:
        return "I don't have an answer."

# Example usage
dictionary = {"hello": "Hi there!", "hi": "Hello!", "hey": "Hey, how are you?"
   ,"good morning":"good morning "
,"good night":"good night"
,"byee":"byee take care"
,"good byee":"good byee have a great day"
,"who are you":"I am a chat bot how can i help you"
,"what can you do":"I am a simple chat bot " 
}

while True:
    string1 = input()
    output = compare_strings(string1, dictionary)
    print(output)

hello
['Hi there!']
who are you
['I am chat bot how can i help you']