#! /usr/bin/env python
""" Dependencies
1. Numpy
2. matplotlib"""
import numpy as np
import wavepy as wv
import matplotlib as mpl
import matplotlib.pyplot as plt
def main():
x=np.arange(64)
a=int(16)
y=wv.misc.per_ext(x,a)
z=wv.misc.symm_ext(x,a)
plt.subplot(3,1,1)
plt.plot(x)
plt.ylabel('Signal')
plt.subplot(3,1,2)
plt.plot(y)
plt.ylabel('per_ext')
plt.subplot(3,1,3)
plt.plot(z)
plt.ylabel('sym_ext')
plt.show()
if __name__ == '__main__':
main()