Cosmetic update to HW2/p2 and helper script to convert python files to

pdfs.

HW2/p2.py

@@ -9,8 +9,8 @@ from scipy.optimize import root
 # Declare the experimental results
 N = 25
 M = 353
-κ = 37.6
-x = 1/(1+κ)
+k = 37.6
+x = 1/(1+k)
 
 p = 0.683
 

util/py2pdf.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+from argparse import ArgumentParser
+from tempfile import mktemp
+from subprocess import call
+from sys import exit
+from os import remove
+from os.path import split, splitext
+
+
+def main(source_file, language, title, output, author):
+    with open(source_file) as f:
+        source = f.read()
+    tmp = mktemp(suffix='.md')
+    if output is None:
+        output = splitext(split(source_file)[1])[0]+'.pdf'
+    with open(tmp, 'w') as f:
+        f.write(f'''---
+title: {title}
+author: {author}
+geometry: margin=2cm
+---
+
+```{language}
+{source}
+```
+        ''')
+    retcode = call(['pandoc', '-o', output, tmp])
+    remove(tmp)
+    return retcode
+
+
+if __name__ == '__main__':
+    parser = ArgumentParser()
+    parser.add_argument('source_file')
+    parser.add_argument('-l', '--language', default='python')
+    parser.add_argument('-t', '--title', default='')
+    parser.add_argument('-o', '--output', default=None)
+    parser.add_argument('-a', '--author', default='')
+
+    args = parser.parse_args()
+    exit(main(args.source_file, args.language, args.title, args.output, args.author))