#!/usr/bin/env python3
# coding=utf-8
"""hello world"""

x = {'a': 37, 'b': 42,
     'c': 927}

a = 'hello {}'.format('world')

z = 'hello ' + 'world'

y = 'hello ''world'


class foo  (object):

    def f(self):
        """
        f
        """
        return 37 * -+2

    def g(self, x, y=42):
        """
        @type x: str
        @type y: int
        @return: None
        """
        return y


def f(a):
    """
    @type a: str
    @return: None
    """
    return 37 + -+a[42 - x: y**3]
"""hello world"""
