Day 1 entries

01a.py

@@ -0,0 +1,20 @@
+# Advent of Code 2018
+# December 01, puzzle 1
+
+import sys
+
+def main(args):
+    freqlist = [0]
+    arglist = args.split(",")
+    arglist = [x.strip() for x in arglist]
+    freq = 0
+    for item in arglist:
+        if item[0] == "+":
+            freq += int(item[1:])
+        elif item[0] == "-":
+            freq -= int(item[1:])
+    return freq
+
+if __name__ == "__main__":
+    args = input("Paste the modulations here: ")
+    print(main(args))

01b.py

@@ -0,0 +1,28 @@
+# Advent of Code 2018
+# December 01, puzzle 1
+
+import sys
+
+def main(args):
+    freqlist = [0]
+    found = False
+    cycles = 0
+    arglist = args.split(",")
+    arglist = [x.strip() for x in arglist]
+    freq = 0
+    while not found:    
+        cycles += 1
+        for item in arglist:
+            if item[0] == "+":
+                freq += int(item[1:])
+            elif item[0] == "-":
+                freq -= int(item[1:])
+            if freq in freqlist:
+                return freq
+            freqlist.append(freq)
+        if cycles == 1000000:
+            return "I haven't found a duplicate after a million cycles."
+
+if __name__ == "__main__":
+    args = input("Paste the modulations here: ")
+    print(main(args))