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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create_db(name, owner=None, encoding=u'UTF-8', template='template1', **kwargs):
 """Create a Postgres database."""


    flags = u''
    if encoding:
        flags = u'-E %s' % encoding
    if owner:
        flags = u'%s -O %s' % (flags, owner)
    if template and template != 'template1':
        flags = u'%s --template=%s' % (flags, template)
    sudo('createdb %s %s' % (flags, name), user='postgres', **kwargs)