Tkinter stringvar not working

Try This One:

def ventanaPrincipal():
    top = Tkinter.Tk()
    var = Tkinter.StringVar()
    L1 = Tkinter.Label(top, text="Introduzca el nombre"+"\n"+ "completo del remitente:")
    E1 = Tkinter.Entry(top,textvariable = var)
    def buscar():
        buscarPorNombreYApellidos(var.get())

    B1 = Tkinter.Button(top, text ="Buscar", command = buscar)
    L1.pack(side = Tkinter.LEFT)
    B1.pack(side = Tkinter.RIGHT)
    E1.pack( side = Tkinter.RIGHT)
    top.mainloop()

Similar codes

86 votes186 views3 answers
How to read json from python
Python
0 vote191 views1 answer
Import one file into another python
Python
2 votes223 views1 answer
Set http response content type django
Python Django
0 vote171 views1 answer
Python regeression line
Python
2 votes197 views1 answer
Hash table in python
Python
0 vote186 views1 answer
Get the hour of every instance of the date_time
Python
1 vote270 views1 answer
Pyton count number of character in a word
Python
0 vote230 views2 answers
Python code for internet radio stream
Python
62 votes186 views3 answers
Python how to loop in a list
Python
0 vote196 views1 answer
Who is bayceee roblox id
Python