require 'tk'
top = TkRoot.new {title "Label and Entry Widget"}
lb1=TkLabel.new(top){
text 'Hello World'
background "yellow"
foreground "blue"
place('relx'=>0.0,'rely'=>0.0)
}
e1 = TkEntry.new(top){
background "red"
foreground "blue"
place('relx'=>0.4,'rely'=>0.0)
}
Tk.mainloop