import matplotlib.pyplot as plt
from tkinter import*
import tkinter
x = 0
y = 0
def next():
global x
global y
plt.subplot(111)
# 'ro'
amin = 12
bmax = 20
cmin = 37
dmax = 47
p1 = 2
p2 = 2
plt.plot([0, 40, 40], [20, 20, 0],'--bo')
plt.plot([0, 37, 37], [12, 12, 0])
plt.axis([0, 100, 0, 60])
plt.plot([int(txt.get())], [int(txt2.get())],'--bo')
plt.title('Seed et al. (2003)')
plt.show()
window = Tk()
window.title("Ввод точек!")
window.geometry('400x500')
lbl = Label(window, text="1")
lbl.grid(column=0, row=0)
txt = Entry(window, width=10)
lbl2 = Label(window, text="2")
lbl2.grid(column=0, row=1)
txt2 = Entry(window, width=10)
txt2.grid(column=4, row=0)
txt.grid(column=4, row=1)
btn = Button(window, text="3", command=next)
btn.config(height=20, width=45)
btn.grid(column=0, row=6)
lbl3 = Label(window, text="4")
lbl3.grid(column=0, row=7)
txt3 = Entry(window, width=45)
txt3.grid(column=0, row=8)
window.mainloop()
