python
import pyqtgraph as pg
from PyQt5.QtWidgets import QApplication
app = QApplication([])
win = pg.GraphicsWindow()
win.setWindowTitle('PyQtGraph Line Plot')
plot = win.addPlot(title='Line Plot')
x = [1, 2, 3, 4, 5]
y = [1, 3, 2, 4, 5]
plot.plot(x, y)
app.exec_()