human
Solve the following python programming problem given the following code:
def bdecode(bstring) : 
    "
        Bdecodes a bencoded string
        e.g., d3:cow3:moo4:spam4:eggse -> {'cow': 'moo', 'spam': 'eggs'}
    " 
    def get_val() : 
        i = reader.next () 
        if i.isdigit () : 
            str_len = get_len (i) 
            return get_str (str_len) 
if (i == 'd') : 
            return get_dict () 
if (i == 'l') : 
            return get_list () 
if (i == 'i') : 
            return get_int () 
if (i == 'e') : 
            return None 
def get_len(i = '') : 
        len_str = str (i) 
        next_char = reader.next () 
        if (next_char == 'e') : 
            return None 
while (next_char is not ':') : 
            len_str += next_char 
            next_char = reader.next () 
else : 
            return int (len_str) 
def get_dict() : 
        this_dict = { 
            
} 
        while 1 : 
            str_len = get_len () 
            if (str_len is None) : 
                return this_dict 
key = get_str (str_len) 
            val = get_val () 
            this_dict [key] = val 
def get_int() : 
        int_str = '' 
        i = reader.next () 
        while (i is not 'e') : 
            int_str += i 
            i = reader.next () 
else : 
            return int (int_str) 
def get_str(str_len) : 
        this_str = '' 
        for i in range (str_len) : 
            this_str += reader.next () 
return this_str 
def get_list() : 
        this_list = [] 
        while 1 : 
            val = get_val () 
            if (not val) : 
                return this_list 
this_list.append (val) 
reader = _readchar (get_int) 
    dict_repr = get_val () 
    return dict_repr 

    
    

    Fix the buggy line: reader = _readchar (get_int)
assistant
#Here is Python code to fix the buggy line: reader = _readchar (get_int)
.

reader = _readchar (bstring)