Python python基本構文

def buildConnectionString(params):

    """Build a connection string from a dictionary of parameters.

    Returns string."""

    

    return " ; ".join(["%s=%s"%(k,v)for k,v in params.items()])



if __name__=="__main__":

    myParams={"server":"mpilgrim",\

              "database":"master",\

              "uid":"sa",\

              "pwd":"secret"\

              }

    print(buildConnectionString(myParams))

database=master ; server=mpilgrim ; uid=sa ; pwd=secret

def info(object,spacing=10,collapse=1):

    """

    Print methods and doc strings.

    

    Take module,class,list,dictionary,or string.

    """

    

    methodList=[method for method in dir(object) if callable(getattr(object,method))]

    processFunc=collapse and (lambda s:"".join(s.split())) or (lambda s:s)

    print ("
".join(["%s %s" % (method.ljust(spacing),

                    processFunc(str(getattr(object, method).__doc__)))

                      for method in methodList]))

                    

                    

if __name__=="__main__":

    print(info.__doc__)