Dive in python Chapter3 实例

def buildConnectionString(params):
"""Build a connection string from a dictionary

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)