list of char to string python code example

Example 1: how to join a list of characters in python

>>> a = ['a', 'b', 'c', 'd']
>>> ''.join(a)
'abcd'

Example 2: python string to list of chars

l = list('abcd')  	        # ['a', 'b', 'c', 'd']
l = map(None, 'abcd')       # ['a', 'b', 'c', 'd']
l = [i for i in 'abcd']	    # ['a', 'b', 'c', 'd']

import re               # importing regular expression module
l = re.findall('.', 'abcd')
print(l)                	# ['a', 'b', 'c', 'd']

Example 3: how to save string characters into char array or list in python

fd = open(filename, 'rU')
chars = []
for line in fd:
    chars.extend(line)