#!/usr/bin/pypy3
import plotly.graph_objs as go
from decimal import *
from sys import argv


def main():
  chart = go.Figure()
  chart.add_trace(go.Scatter(x=[1,2,3], y=[1,2,3]))
  chart.show()


if __name__ == "__main__":
  if len(argv) == 1:
    main()
  else:
    f = open(argv[1], "rt")
    f.readline()
    X = []
    Y = []
    for line in f:
      try:
        i, x, y = line.split()
        x = float(x)
        y = float(y)
        X.append(x)
        Y.append(y)
      except ValueError:
        pass
    f.close()
    print("data samples:",len(X))
    chart = go.Figure()
    chart.add_trace(go.Scatter(x=X, y=Y))
    chart.show()