Graph

import PySimpleGUI as sg
import matplotlib
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg

def update_figure(data):
    axes = fig.axes
    x = [i[0] for i in data]
    y = [int(i[1]) for i in data]
    axes[0].plot(x,y,'r-')
    figure_canvas_agg.draw()
    figure_canvas_agg.get_tk_widget().pack()

sg.theme('DarkTeal6')
table_content = []
layout = [
    [sg.Table(
        headings = ['Observation','Result'],
        values = table_content,
        expand_x = True,
        hide_vertical_scroll = True,
        key = '-TABLE-')],
    [sg.Input(key = '-INPUT-',expand_x = True),sg.Button('Submit')],
    [sg.Canvas(key = '-CANVAS-')]
]

window = sg.Window('Graph App', layout, finalize = True)

# matplotlib
fig = matplotlib.figure.Figure(figsize = (5,4))
fig.add_subplot(111).plot([],[])
figure_canvas_agg = FigureCanvasTkAgg(fig,window['-CANVAS-'].TKCanvas)
figure_canvas_agg.draw()
figure_canvas_agg.get_tk_widget().pack()


while True:
    event, values = window.read()
    if event == sg.WIN_CLOSED:
        break

    if event == 'Submit':
        new_value = values['-INPUT-']
        if new_value.isnumeric():
            table_content.append([len(table_content) + 1,float(new_value)])
            window['-TABLE-'].update(table_content)
            window['-INPUT-'].update('')
            update_figure(table_content)

window.close()