<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _get_dict_char_count(txt):

 	"""
 	reads the characters in txt and returns a dictionary
 	of all letters
 	"""

	dct = {}
	for letter in txt:
		if letter in dct:
			dct[letter] += 1
		else:
			dct[letter] = 1
	return dct