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\documentclass{article}

\usepackage{python}

\usepackage{amsmath}

\title{Example Use of python.sty}

\author{James Brotchie \emph{j.brotchie@gmail.com}}

\begin{document}

\maketitle

$N \times N$ element identity matrices for $N \in \{1,2,\ldots,5\}$:

\begin{python}

def identity(n):

"""

Generates and returns the LaTeX code for

a n x n identity matrix.

"""

return '\n'.join([

r'\left[',

r'\begin{array}{%s}' % (n*'c',),

'\\\\'.join('&'.join('1' if i==j else '0' for j in range(n))

for i in range(n)),

r'\end{array}',

r'\right]',

])

# Displays identity matrices for

# n \in {1, 2, ..., 5}.

print '\n'.join([

r'\begin{equation*}',

r'\begin{array}{%s}' % (5*'c',),

'&'.join(identity(i) for i in range(1,6)),

r'\end{array}.',

r'\end{equation*}',

])

\end{python}

\begin{python}

# Create a deliberate exception.

print 'This text will be displayed.'

print 1/0

print 'This text won\'t be displayed.'

\end{python}

\end{document}

python-sty/example.tex at master · hgrecco/python-sty · GitHub

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