[Python] Convert text to Braille (Unicode) in Python

According to Wikipedia, the Unicode block for braille is U+2800 .. U+28FF.

I'm trying to convert normal text to Braille symbols (dots). To do so, I'm mapping this string:

" A1B'K2L@CIF/MSP\"E3H9O6R^DJG>NTQ,*5<-U8V.%[$+X!&;:4\\0Z7(_?W]#Y)="


The reason for mapping this specific string is mentioned on this Wikipedia page

My code:

def toBraille(c):
unic=2800
mapping = " A1B'K2L@CIF/MSP\"E3H9O6R^DJG>NTQ,*5<-U8V.%[$+X!&;:4\\0Z7(_?W]#Y)="
i = mapping.index(c.upper())
if (i>0):
unic+=i
unichex = hex(unic)
return unichr(unichex))
if (i==0):
return '_'
if (i<O):
return '?'

def converter(txt):
tmp=""
for x in txt:
tmp+=str(toBraille(x))
return tmp

txt = raw_input("Please insert text: \n")
print(converter(txt))


I want to print braille characters like this

input = hello world
output = ⠓⠑⠇⠇⠕ ⠺⠕⠗⠇⠙


The problem is my output looks like this

Input = A
Output = 2801

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