exec()

The exec statement compiles and executes a python statement.

 
#!/usr/bin/env python

from PyTango import *

devices = { 'mot1' :  "p09/motor/exp.01"}

for l in list( devices.keys()):
    exec "%s = DeviceProxy( '%s')" % (l, devices[l])

Another example:

for elm in dir(self):
    exec "temp = type(self.%s)" % elm
    print( "%s  %s " % ( repr(elm), temp))