# SPELLING_TEST```DescriptionI made a spelling test for you, but with a twist. There are several words in words.txt that are misspelled by one letter only. Find the misspelled words, fix them, and find the letter that I changed. Put the changed letters together, and you get the flag. Make sure to insert the "{}" into the flag where it meets the format.
NOTE: the words are spelled in American English
Attachmentshttps://imaginaryctf.org/r/CBC8-words.txt```
- File : [words.txt](https://github.com/Pynard/writeups/blob/main/2021/IMAGINARYCTF/attachements/spelling_test/words.txt)
Here is the dictionary that i used :
- File : [google-10000-english-no-swears.txt](https://github.com/Pynard/writeups/blob/main/2021/IMAGINARYCTF/attachements/spelling_test/google-10000-english-no-swears.txt)
Here is the python code to solve the challenge :
- File : [solve.py](https://github.com/Pynard/writeups/blob/main/2021/IMAGINARYCTF/attachements/spelling_test/solve.py)```pythonwith open('google-10000-english-no-swears.txt','r') as f:    dictionary = f.read().split('\n')[:-1]
with open('words.txt','r') as f:    mispelled = f.read().split('\n')[:-1]
response = ''for word in mispelled:    char = ''    match = 0    potential = ''    for correct in dictionary:        len_word = len(word)        if len_word == len(correct):            #print('+ '+correct)            errors = sum([ mispelled_c != correct_c for mispelled_c,correct_c in zip(word,correct) ])            if errors == 0:                match = 0                break            elif errors == 1:                potential = correct                match += 1
            if match > 1:                break
    if match == 1:        for mispelled_c,correct_c in zip(word,potential):            if mispelled_c != correct_c:                print(mispelled_c,end='')```
```$ python solve.pyictfyoupassedthespellingtest```
flag : `ictf{youpassedthespellingtest}`