UI Mock up - Maya mel python

uimock.py

import maya.cmds as cmds

class FlckUi():
    def __init__(self):
        
        flckUi = 'flckUi'
        
        if cmds.window(flckUi, exists=True):
            cmds.deleteUI(flckUi)
        
        flckUi = cmds.window(flckUi, t='FLCK', tb=True, rtf=True)

        form = cmds.columnLayout(adjustableColumn=True)
               
        cmds.separator(h=10, style="none")
        cmds.text(label="Amount of Particles")
        cmds.intSliderGrp(field=True, minValue=0, maxValue=200, value=100)
        cmds.separator(h=10, style="none")
        
        cmds.text(label="Flock Width")
        cmds.intSliderGrp(field=True, minValue=0, maxValue=200, value=10)
        cmds.separator(h=10, style="none")
        
        cmds.text(label="Individual Perception Angle")
        cmds.floatSliderGrp(field=True, minValue=0.0, maxValue=360.0, value=225)
        cmds.separator(h=10, style="none")
        
        cmds.text(label="Align Weight")
        cmds.floatSliderGrp(field=True, minValue=0.0, maxValue=2.0, value=1.0)
        cmds.separator(h=10, style="none")

        cmds.text(label="Cohesion Weight")
        cmds.floatSliderGrp(field=True, minValue=0.0, maxValue=2.0, value=1.0)
        cmds.separator(h=10, style="none")
        
        cmds.text(label="Separation Weight")
        cmds.floatSliderGrp(field=True, minValue=0.0, maxValue=2.0, value=1.0)
        cmds.separator(h=10, style="none")
        
        bBuild = cmds.button('Build')
        bRandomize = cmds.button('Randomize')

        cmds.separator(h=20, style="none")
        bChangeGoal = cmds.button('Assign Goal') 
        bChangeGoal = cmds.button('Instancer (Replacement)') 
                
        cmds.showWindow(flckUi)
        cmds.window(flckUi, edit=True, widthHeight=(400,400))
        

flckUserInt = FlckUi()