Check if two strings are anagram in Python

def anagram(str1, str2):
    """
    Check if two strings are anagrams.

    Parameters
    ----------
    str1 : str
        First string to check.
    str2 : str
        Second string to check.

    Returns
    -------
    bool
        ``True`` if the strings are anagrams, ``False`` otherwise.
    """

    #convert the strings to lower case
    str1 = str1.lower()
    str2 = str2.lower()

    #convert the strings to lists
    list1 = list(str1)
    list2 = list(str2)

    #sort the lists
    list1.sort()
    list2.sort()

    #convert the lists to strings
    str1 = ''.join(list1)
    str2 = ''.join(list2)

    #check if the strings are equal
    if str1 == str2:
        return True
    else:
        return False

#example
result = anagram('dog', 'god')
#output
print(result)  #True