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56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
"""
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wiki: https://en.wikipedia.org/wiki/Anagram
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"""
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from collections import defaultdict
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from typing import DefaultDict
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def check_anagrams(first_str: str, second_str: str) -> bool:
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"""
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Two strings are anagrams if they are made up of the same letters but are
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arranged differently (ignoring the case).
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>>> check_anagrams('Silent', 'Listen')
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True
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>>> check_anagrams('This is a string', 'Is this a string')
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True
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>>> check_anagrams('This is a string', 'Is this a string')
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True
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>>> check_anagrams('There', 'Their')
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False
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"""
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first_str = first_str.lower().strip()
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second_str = second_str.lower().strip()
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# Remove whitespace
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first_str = first_str.replace(" ", "")
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second_str = second_str.replace(" ", "")
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# Strings of different lengths are not anagrams
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if len(first_str) != len(second_str):
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return False
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# Default values for count should be 0
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count: DefaultDict[str, int] = defaultdict(int)
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# For each character in input strings,
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# increment count in the corresponding
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for i in range(len(first_str)):
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count[first_str[i]] += 1
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count[second_str[i]] -= 1
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for _count in count.values():
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if _count != 0:
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return False
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return True
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if __name__ == "__main__":
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from doctest import testmod
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testmod()
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input_A = input("Enter the first string ").strip()
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input_B = input("Enter the second string ").strip()
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status = check_anagrams(input_A, input_B)
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print(f"{input_A} and {input_B} are {'' if status else 'not '}anagrams.")
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