form feild rails helper

<%= form.label :username, 'Username:' %>
<%= form.text_field :username, class: 'form-control' %>

<%= form.label :email, 'Email:' %>
<%= form.email_field :email, class: 'form-control' %>

<%= form.label :password, 'Password:' %>
<%= form.password_field :password, class: 'form-control' %>

<%= form.label :password_confirmation, 'Confirm Password:' %>
<%= form.password_field :password_confirmation, class: 'form-control' %>

1. <%= form.label :username, 'Username:' %>: Generates a label for the :username attribute with the displayed text 'Username:'.

2. <%= form.text_field :username, class: 'form-control' %>: Creates a text input field for the :username attribute, with the specified CSS class 'form-control'.

3. <%= form.label :email, 'Email:' %>: Generates a label for the :email attribute with the displayed text 'Email:'.

4. <%= form.email_field :email, class: 'form-control' %>: Creates an email input field for the :email attribute, with the specified CSS class 'form-control'.

5. <%= form.label :password, 'Password:' %>: Generates a label for the :password attribute with the displayed text 'Password:'.

6. <%= form.password_field :password, class: 'form-control' %>: Creates a password input field for the :password attribute, with the specified CSS class 'form-control'.

7. <%= form.label :password_confirmation, 'Confirm Password:' %>: Generates a label for the :password_confirmation attribute with the displayed text 'Confirm Password:'.

8. <%= form.password_field :password_confirmation, class: 'form-control' %>: Creates a password input field for the :password_confirmation attribute, with the specified CSS class 'form-control'.