#### Check Anagrams

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```"""
wiki: https://en.wikipedia.org/wiki/Anagram
"""
from collections import defaultdict
from typing import DefaultDict

def check_anagrams(first_str: str, second_str: str) -> bool:
"""
Two strings are anagrams if they are made up of the same letters but are
arranged differently (ignoring the case).
>>> check_anagrams('Silent', 'Listen')
True
>>> check_anagrams('This is a string', 'Is this a string')
True
>>> check_anagrams('This is    a      string', 'Is     this a string')
True
>>> check_anagrams('There', 'Their')
False
"""
first_str = first_str.lower().strip()
second_str = second_str.lower().strip()

# Remove whitespace
first_str = first_str.replace(" ", "")
second_str = second_str.replace(" ", "")

# Strings of different lengths are not anagrams
if len(first_str) != len(second_str):
return False

# Default values for count should be 0
count: DefaultDict[str, int] = defaultdict(int)

# For each character in input strings,
# increment count in the corresponding
for i in range(len(first_str)):
count[first_str[i]] += 1
count[second_str[i]] -= 1

for _count in count.values():
if _count != 0:
return False
return True

if __name__ == "__main__":
from doctest import testmod

testmod()
input_a = input("Enter the first string ").strip()
input_b = input("Enter the second string ").strip()

status = check_anagrams(input_a, input_b)
print(f"{input_a} and {input_b} are {'' if status else 'not '}anagrams.")
```