def soundex_al(word):
    cap_word = word.upper()                         #convert the word to uppercase

    return_val = ""
    return_val = "" + cap_word[0]                   #get the first letter of the word


    #dictonary to give values to the letters
    code_dict = {"BFPV": "1", "CGJKQSXZ":"2", "DT":"3", "L":"4", "MN":"5", "R":"6"}

    #array of charactors to remove from the word
    rem_charactors = ["A","E","I","O","U","H","W","Y"]
    
    
    #for loop to remove all the 0 valued charactors
    temp = ""
    for char in cap_word[1:]:
        if char not in rem_charactors:
            temp = temp + char
    
    #get the values from the 'code_dict' and create the soundex code
    for char in temp:
        for key in code_dict.keys():
            if char in key:
                code = code_dict[key]
                if code != return_val[-1]:          #Remove all pairs of consecutive digits.
                    return_val += code
    
    return_val = return_val[:4]                     #crop the word to 4 charactors
    
    #if soundex code doen't contain 4 digits. fill it with zeros
    if len(return_val) < 4:
        for x in range(len(return_val), 4):
            return_val = return_val + "0"
    
    #return the value
    return return_val



#testing the fucntion
print(soundex_al("Danus"))