#-*- coding:utf-8 -*-
import numpy as np
import matplotlib.pyplot as plt

def simple_plot():
    x = np.linspace(0, 10, 10000)
    y = np.sin(x)
    z = np.cos(x**2)

    plt.figure(figsize = (8, 4))
    plt.plot(x, y, label = "sin(x)", color = "red", linewidth = 2)
    plt.plot(x, z, "b--", label = "cos(x^2)")
    plt.xlabel("Time(s)")
    plt.ylabel("Volt")
    plt.title("PyPlot First Example")
    plt.ylim(-1.2, 1.2)
    plt.legend()
    plt.show()

simple_plot()


