How to make a simple entry dialog box (like in the image) in blender and processing the text entered through python.I am unable to find any good tutorial on this.

How to make a simple entry dialog box (like in the image) in blender and processing the text entered through python.I am unable to find any good tutorial on this.

For the dialog box the answer from how to show a message from a blender script? might be a starting point.
But I think a better approach is integrating input into the panel like e.g.

To do this you have to add a
StringPropertyto your add-on and place it inside your panel (see Addon Tutorial for more information). The basic steps are:...
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You can access the string by
context.scene.my_string_propThere is another mode to integrate input. When you add for example a text to your scene you can change the parameters after the operator has been called and see the changes immediately:
Changing Location will move the newly created text object at another place. I haven't worked with this but it should be similar to the code above.