Custom encoding problems.

[SheeppOSU]

I was using pickle to load and unload data from a file. Before putting it in the file I wanted to kinda jumble up the words. I succeeded in Encoding and Decoding a dict but it then came out as a string. So I broke the dictionary into chunks of strings. Now the problem is fixing it. I can successfully fix a dictionary like this -

1	{'Hello' : 'Bye'}

, but not one like this -

1	{'Opposite' : {'Hello' : 'Goodbye'}}

I appreciate any help on how I could fix it for this to happen. Sorry if my code is a bit messy but here it is -

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class FileWorker():     def __init__(self):         self.offsets = []           def Save(self, obj):         with open('DATA.txt', 'wb') as file:             pickle.dump(self.ENCODE(self.BREAK(obj)), file)       def Load(self, index=0):         with open('DATA.txt', 'rb') as file:             return self.FIX(self.DECODE(pickle.load(file), index))       def BREAK(self, obj):         output = ''         print(obj)         for item in obj:             if type(item) == type([]) or type(item) == type({}) or type(item) == type((0,)):                 print(f'Extra for {item}')                 output += self.BREAK(item)             elif type(obj[item]) == type([]) or type(obj[item]) == type({}) or type(obj[item]) == type((0,)):                 obj[item] = self.BREAK(obj[item])             output += str(item) + ' '             if type(obj) == dict:                 output += ', ' + str(obj[item])         return output       def FIX(self, obj):         if ',' not in obj:             return obj.split()         else:             DataArray = obj.split(' ')             output = {}             count = 0             for data in DataArray:                 count += 1                 if ',' in data:                     print(DataArray)                     try:                         try:                             DataArray[count] = int(DataArray[count])                         except:                             pass                         DataArray[count - 2] = int(DataArray[count - 2])                     except:                         pass                     print(DataArray)                     output.update({DataArray[count - 2] : DataArray[count]})         return output       def ENCODE(self, obj):         self.offsets.append([])         output = ''         count = 0         countTo = len(obj)         while True:             if count == countTo:                 break             while True:                 offset = random.randint(0, len(obj) - 1)                 if offset not in self.offsets[len(self.offsets) - 1]:                     break             self.offsets[len(self.offsets) - 1].append(offset)             output += obj[offset]             count += 1         return output       def DECODE(self, obj, index=0):         output = ''         count = 0         for number in self.offsets[index]:             charIndex = self.offsets[index].index(count)             output += obj[charIndex]             count += 1         return output

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The save and load file can help tell you how it works