<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def main():
 """Execute all checks."""

    check_python_version()
    check_python_modules()
    check_executables()
    home = os.path.expanduser("~")
    print("\033[1mCheck files\033[0m")
    rcfile = os.path.join(home, ".hwrtrc")
    if os.path.isfile(rcfile):
        print("~/.hwrtrc... %sFOUND%s" %
              (Bcolors.OKGREEN, Bcolors.ENDC))
    else:
        print("~/.hwrtrc... %sNOT FOUND%s" %
              (Bcolors.FAIL, Bcolors.ENDC))
    misc_path = pkg_resources.resource_filename('hwrt', 'misc/')
    print("misc-path: %s" % misc_path)