added rest of the code

23/part2.py

@@ -0,0 +1,80 @@
+#!/usr/bin/python
+
+import re
+
+RE_INSTR01 = re.compile(r'^(jio|jie) (a|b), ((\+|-)\d+)$')
+RE_INSTR02 = re.compile(r'^(inc|tpl|hlf) (a|b)$')
+RE_INSTR03 = re.compile(r'^(jmp) ((\+|-)\d+)$')
+
+
+def read_file(filename):
+    file = open(filename, 'r')
+    while True:
+        line = file.readline()
+        if not line:
+            break
+        yield line
+
+def run_program(instrustions, a=0, b=0):
+    register = dict()
+    register['a'] = a
+    register['b'] = b
+    pos = 0
+
+
+    while True:
+        try:
+            i = instrustions[pos]
+        except IndexError:
+            break
+
+        if i[0] == 'hlf':
+            register[i[1]] = register[i[1]]/2
+            pos += 1
+            continue
+        if i[0] == 'tpl':
+            register[i[1]] = register[i[1]]*3
+            pos += 1
+            continue
+        if i[0] == 'inc':
+            register[i[1]] += 1
+            pos  += 1
+            continue
+        if i[0] == 'jmp':
+            pos += i[1]
+            continue
+        if i[0] == 'jie':
+            if register[i[1]] % 2 == 0:
+                pos += i[2]
+                continue
+            pos += 1
+            continue
+        if i[0] == 'jio':
+            if register[i[1]] == 1:
+                pos += i[2]
+                continue
+            pos += 1
+            continue
+
+        print i[0]
+
+    return (register['a'], register['b'])
+
+
+def main():
+    instructions = []
+    for line in read_file('input'):
+        match = re.match(RE_INSTR01,  line)
+        if match:
+            instructions.append((match.group(1), match.group(2), int(match.group(3))))
+        match = re.match(RE_INSTR02,  line)
+        if match:
+            instructions.append((match.group(1), match.group(2)))
+        match = re.match(RE_INSTR03,  line)
+        if match:
+            instructions.append((match.group(1), int(match.group(2))))
+
+    print run_program(instructions,1, 0)
+
+if __name__ == "__main__":
+    main()