from tkinter import *
from tkinter import ttk
i=0
x=10
y=2
matriz=[]
for i in range (x):
matriz.append([0]*y)
for i in range(0,x):
for j in range(0,y):
print(matriz[i][j]," ",end="")
print()
print()
def contraseña():
i=0
matriz[i][0]=usuario.get()
for i in range(0,x):
for j in range(0,y):
print(matriz[i][j]," ",end="")
print()
print()
ventana=Tk()
ventana.geometry('290x300')
usuario= StringVar()
password = StringVar()
caja1=Entry(textvariable=usuario).place(x=30,y=50,relwidth=0.090)
caja4=Entry(textvariable=password).place(x=30,y=70,relwidth=0.090)
ingresar=Button(text='ingresar',command=contraseña).place(x=20,y=100)