from tkinter import *
root=Tk()
list1=Listbox(root,selectmode=EXTENDED)
list1.insert(0,"JAVA");
list1.insert(0,"c");
list1.insert(0,"C++");
list1.insert(0,"PYTHON");
list1.insert(0,"PHP");
list1.insert(0,"COBOL");
list1.insert(0,"JQUERY");
list1.pack()
