Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 26 2018, 23:26:24) 
[Clang 6.0 (clang-600.0.57)] on darwin
Type "copyright", "credits" or "license()" for more information.
>>> mf = open("/Users/koc/Desktop/abc.txt", "r")
>>> mf
<_io.TextIOWrapper name='/Users/koc/Desktop/abc.txt' mode='r' encoding='UTF-8'>
>>> mx = open("/Users/koc/Desktop/def.txt", "r")
Traceback (most recent call last):
  File "<pyshell#2>", line 1, in <module>
    mx = open("/Users/koc/Desktop/def.txt", "r")
FileNotFoundError: [Errno 2] No such file or directory: '/Users/koc/Desktop/def.txt'
>>> mf
<_io.TextIOWrapper name='/Users/koc/Desktop/abc.txt' mode='r' encoding='UTF-8'>
>>> s1 = mf.readline()
>>> s1
'amy 23\n'
>>> s2 = mf.readline()
>>> s2
'bob 22\n'
>>> mf = open("/Users/koc/Desktop/abc.txt", "r")
>>> s1
'amy 23\n'
>>> x1 = s1.split()
>>> s1
'amy 23\n'
>>> x1
['amy', '23']
>>> mf = open("/Users/koc/Desktop/abc.txt", "r")
>>> names = []
>>> ages = []
>>> for s in mf:
	x = s.split()
	names.append(x[0])
	ages.append(x[1])

	
>>> names
['amy', 'bob', 'alice', 'steve', 'laurie']
>>> ages
['23', '22', '19', '20', '19']
>>> mf = open("/Users/koc/Desktop/abc.txt", "r")
>>> names = []
>>> ages = []
>>> for s in mf:
	x = s.split()
	names.append(x[0])
	ages.append(int(x[1]))

	
>>> names
['amy', 'bob', 'alice', 'steve', 'laurie']
>>> ages
[23, 22, 19, 20, 19]
>>>