Hex Word Finder

"""
Hex Word Finder

This program searches a text file for any words that are made up entirely of the letters available in HEX, ABCDEFG.

"""

filename = input("Please enter the name of a text file and it's location if it is not in the root directory. You don't need to write '.txt'.\n")
dictionary = open(filename+".txt","r")

currword = []
lensixwords = []
allhexwords = []

for char in dictionary.read():
    if char.isalpha() == True:
        currword.append(char)

    else:
        currword = "".join(currword)
        currword = currword.upper()
        A = currword.count("A")
        B = currword.count("B")
        C = currword.count("C")
        D = currword.count("D")
        E = currword.count("E")
        F = currword.count("F")

        if (A+B+C+D+E+F) == len(currword):
            if currword not in allhexwords:
                allhexwords.append(currword)
                print("word found:",currword)
                if len(currword) == 6:
                    lensixwords.append(currword)
            currword = []

        else:
            currword = []

allhexwords.sort()
lensixwords.sort()

output1 = open("Hex Word Dictionary.txt","w")

for word in allhexwords:
    output1.write(word+"\n")



output2 = open("Six Letter Hex Word Dictionary.txt","w")

for word in lensixwords:
    output2.write(word+"\n")

dictionary.close()
output1.close()
output2.close()

print("\nAlphabetically ordered dictionary of hex words saved.")
print("Please open newly created text files in the root folder.")