

# a = 1;
# b = a + 1;
# d = a+b*3;
# print("hello")
# print("here")
# print(d)

# import matplotlib
# matplotlib.use('Qt5Agg')
# # This should be done before `import matplotlib.pyplot`
# # 'Qt4Agg' for PyQt4 or PySide, 'Qt5Agg' for PyQt5
# import matplotlib.pyplot as plt
# import numpy as np
#
# t = np.linspace(0, 20, 500)
# plt.plot(t, np.sin(t))
# plt.show()
#
# from IPython.display import Latex
# Latex('''The mass-energy equivalence is described by the famous equation
#
# $$E=mc^2$$
#
# discovered in 1905 by Albert Einstein.
# In natural units ($c$ = 1), the formula expresses the identity
#
# \\begin{equation}
# E=m
# \\end{equation}''')
