ΘΕΜΑ: λίγη βοήθεια εδω

text = raw_input('Input time: ')

text = input('Input time: ')

~/pythonforum$ python time_test.py 
dwse thn wra:>12:23
Traceback (most recent call last):
  File "time_test.py", line 62, in <module>
    words = input('dwse thn wra:>')
  File "<string>", line 1
    12:23
      ^
SyntaxError: invalid syntax

~/pythonforum$ python time_test.py 
dwse thn wra:>'12:34'
Traceback (most recent call last):
  File "time_test.py", line 67, in <module>
    tok,pos = scan(words,td,ad)
  File "time_test.py", line 27, in scan
    if c in transition_table[state]:
KeyError: 's0'

def getchar(words,pos):
	""" epistrefei ton xarakthra ths le3hs h tipota an einai ektos oriwn """
	if pos<0 or pos>=len(words):
		return None
	if words[pos]==".":
		return 'DOT'
 
	elif words[pos]>='0' and words[pos]<='9':
		return 'DIGIT'
	return 'other'
 
 
def scan(text,transition_table,accept_states):
	"""elegxei to text otan oi metafores uparxoun sto transition_table. meta apo auto an
	mesa sthn katastash anhkei to accept_states, gurnaei kai allhlepidra me to token alliws error
	"""
 
	# arxikh katastash
	pos = 0
	state = 'q0'
	lasttoken,lastpos=None,None
 
	while True:
 
		c = getchar(text,pos)	# de3ou neo xarakthra
 
		if c in transition_table[state]:
			state = transition_table[state][c]	# 8ese nea katastash
			pos += 1	# proxwra ston epomeno xarakthra
			if state in accept_states: 
				lasttoken=accept_states[state] #h teleutaia 8esh pou dexetai
				lastpos=pos # h 8esh pou brisketai twra
 
 
		else:	# kamia metabash den bre8hke
			if lasttoken is None: # an den uparxei kati pou na exoume dextei tote bgazei la8os
				return 'ERROR',pos
			else:
				return lasttoken,lastpos
 
 
# o pinakas metabashs san le3iko
td = { 'q0':{ '0,1,2':'q1', '3,4,5,6,7,8,9':'q3'},
       'q1':{ '0,1,2,3':'q2'},
       'q3':{ ':,.':'q4'},
       'q2':{ ':,.':'q4'},
       'q4':{ '0,1,2,3,4,5':'q5'},
       'q5':{ '0,1,2,3,4,5,6,7,8,9':'q6'},
       'q6':{ ':,.':'q7'},
       'q7':{ '0,1,2,3,4,5':'q8'},
       'q8':{ '0,1,2,3,4,5,6,7,8,9':'q9'}
     } 
 
# le3iko apodoxhs katastasewn kai twn antistoixwn endei3ewn tous
 
ad = { 'q6':'INT_TOKEN',
       'q9':'INT_TOKEN'
     }
 
 
# get a string from input
words = input('dwse thn wra:>')
 
# eleg3e to keimeno mexri na mhn  uparxei allo input
while len(words)>0:
	# pare thn epomenh endei3h kai th 8esh efoson o teleutaios xarakthras anagnwristei
	tok,pos = scan(words,td,ad)
	if tok=='ERROR':
		print('unrecognized input at pos',pos,'of',words)
		break
	print("token:",tok,"ERROR:",words[:pos])
	# kainourgio keimeno gia neo elegxo
	words = words[pos:]

def check_text(text):
    for char in text:
        if not char.isdigit() and char not in '.,:':
            return 'ERROR: Wrong character: "{}"'.format(char)
    time = text.replace('.', ':').replace(',', ':').split(':')
    for item in time:
        if len(item) > 2:
            return 'ERROR: No more than 2 digits!'
    if not 2 <= len(time) <= 3:
        return 'ERROR: Wrong number of fields!'
    if int(time[0]) > 23:
        return 'ERROR: Hours between 0-23!'
    if int(time[1]) > 59 or len(time[1]) == 1:
        return 'ERROR: Minutes must be between 0-59. Two digits!'
    try:
        if int(time[2]) > 59 or len(time[2]) == 1:
            return 'ERROR: Seconds must be between 0-59. Two digits!'
    except IndexError:
        pass
    return 'TIME_TOKEN'
 
if __name__ == '__main__':
    while True:
        text = input('Input time: ')
        print(check_text(text))