numbers_cleanup

main.py

#Ugly but working
dataz="""\
 _  _  _  _  _  _  _  _  _ 
| || || || || || || || || |
|_||_||_||_||_||_||_||_||_|


  |  |  |  |  |  |  |  |  |
  |  |  |  |  |  |  |  |  |

    _  _  _  _  _  _     _ 
|_||_|| || ||_   |  |  ||_ 
  | _||_||_||_|  |  |  | _|
"""

display = """\
 _     _  _     _  _  _  _  _ 
| |  | _| _||_||_ |_   ||_||_|
|_|  ||_  _|  | _||_|  ||_| _|
"""

display, dataz = display.splitlines(), [line.ljust(27) for line in dataz.splitlines()] #Preprocess Input
lookup = {}

for i in range(10):
    lookup[''.join(line[i*3:i*3+3] for line in display)]  = str(i) #Create lookup table

for i in range(0, len(dataz), 4): #For each input line
    line = ''
    for j in range(0, len(dataz[i]), 3): #For each character
        identifier = ''.join([dataz[k][l] for k in range(i, i+3) for l in range(j, j+3)]) #Slice out the identifier
        line += lookup[identifier] #Look up number 
    print(line)