2、试验结果如下:
3、源码如下:
服务器端的源代码如下:
import operator, math
from SimpleXMLRPCServer import SimpleXMLRPCServer
from functools import reduce
def main():
    server = SimpleXMLRPCServer(('127.0.0.1', 7001))
    server.register_introspection_functions()
    server.register_multicall_functions()
    server.register_function(addtogether)
    server.register_function(quadratic)
    server.register_function(remote_repr)
    
    print("Server ready")
    server.serve_forever()
    
def addtogether(*things):
    """Add together everything in the list things ."""
    return reduce(operator.add, things)
    
def quadratic(a, b, c):
    """Determine x values satisfying: a * x * x + b * x + c = 0"""
    b24ac = math.sqrt(b*b - 4.0*a*c)
    return list(set([(-b-b24ac) / 2.0*a, (-b+b24ac) / 2.0*a]))
    
def remote_repr(arg):
    """return the repr() rendering of the supplied arg """
    return arg
    
if __name__ == '__main__':
    main() 
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