dann = dict(Form[mlogin] = SRT2, Form[password] = STR2)

 <input name="Form[mlogin]" id="login" type="text" /> 
<input name="Form[password]" id="password" type="password" />

 Form = dct{}
dann = dict(Form[mlogin] = SRT2, Form[password] = STR2)

  
>>> d = {}
>>> 
>>> d['form[1]'] = 'abc'
>>>
>>> d
{'form[1]': 'abc'}
>>> 
>>> d['form[1]']
'abc'
>>>