import re

def only_lower(s):
    return filter(lambda x: x.islower(), s)
# Open the file with read only permit
f = open('FAILEDGG', "r")
# use readlines to read all lines in the file
# The variable "lines" is a list containing all lines in the file
num = 1
# use readline() to read the first line
line = f.readline()
# use the read line to read further.
# If the file is not empty keep reading one line
# at a time, till the file is empty
for line_as_list in line < 20:
#while num < 10 and line.islower():
    # in python 2+
    # print line
    # in python 3 print is a builtin function, so
    #print(line)

	only_lower(line).join(line_as_list)
    # use realine() to read next line
	print only_lower(line)
#	print(line.rstrip())
	break
#	lower_m = re.findall(exp,lower)
	f.close()



print only_lower(line)



**** trying to print out only lowercase words in the whole file print and go to the next one