chore: create new project structure and aoc.py runner script

adventofcode/2018/day1/day1.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+import itertools
+
+
+def main(inp):
+    # Part 1
+    changes = [int(n) for n in inp]
+    print(sum(changes))
+    freq = 0
+    seen = {0}
+    for num in itertools.cycle(changes):
+        freq += num
+        if freq in seen:
+            print(freq)
+            break
+        seen.add(freq)
+
+    
+if __name__ == '__main__':
+    import sys
+    infile = sys.argv[1] if len(sys.argv) > 1 else "example.txt"
+    with open(infile) as inp:
+        main(inp.readlines())
+