How to use radio buttons in django code example

Example 1: django radio button

CHOICES = [('M','Male'),('F','Female')]
Gender=forms.CharField(label='Gender', widget=forms.RadioSelect(choices=CHOICES))

Example 2: radiobuttons django

CHOICES=[('select1','select 1'),
         ('select2','select 2')]

like = forms.ChoiceField(choices=CHOICES, widget=forms.RadioSelect)