#code
def int_to_string(n):
    return str(n)

def string_to_int(s):
    return int(s)

#tests 
import unittest

class SimpleTest(unittest.TestCase):
    def test(self):
        self.assertEqual(string_to_int("314"), 314)
        self.assertEqual(string_to_int("-25"), -25)
        self.assertEqual(int_to_string(314), "314")
        self.assertEqual(int_to_string(-25), "-25")

unittest.main()
8780833f20e7e6257e24b9c43b141dbd37e1a467
<mask token>


class SimpleTest(unittest.TestCase):

    def test(self):
        self.assertEqual(string_to_int('314'), 314)
        self.assertEqual(string_to_int('-25'), -25)
        self.assertEqual(int_to_string(314), '314')
        self.assertEqual(int_to_string(-25), '-25')


<mask token>

def int_to_string(n):
    return str(n)


def string_to_int(s):
    return int(s)


<mask token>


class SimpleTest(unittest.TestCase):

    def test(self):
        self.assertEqual(string_to_int('314'), 314)
        self.assertEqual(string_to_int('-25'), -25)
        self.assertEqual(int_to_string(314), '314')
        self.assertEqual(int_to_string(-25), '-25')


<mask token>

def int_to_string(n):
    return str(n)


def string_to_int(s):
    return int(s)


<mask token>


class SimpleTest(unittest.TestCase):

    def test(self):
        self.assertEqual(string_to_int('314'), 314)
        self.assertEqual(string_to_int('-25'), -25)
        self.assertEqual(int_to_string(314), '314')
        self.assertEqual(int_to_string(-25), '-25')


unittest.main()

def int_to_string(n):
    return str(n)


def string_to_int(s):
    return int(s)


import unittest


class SimpleTest(unittest.TestCase):

    def test(self):
        self.assertEqual(string_to_int('314'), 314)
        self.assertEqual(string_to_int('-25'), -25)
        self.assertEqual(int_to_string(314), '314')
        self.assertEqual(int_to_string(-25), '-25')


unittest.main()

#code
def int_to_string(n):
    return str(n)

def string_to_int(s):
    return int(s)

#tests 
import unittest

class SimpleTest(unittest.TestCase):
    def test(self):
        self.assertEqual(string_to_int("314"), 314)
        self.assertEqual(string_to_int("-25"), -25)
        self.assertEqual(int_to_string(314), "314")
        self.assertEqual(int_to_string(-25), "-25")

unittest.main()