Solve day 1, part 2

day1/part2.py

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+file = "input.txt"
+
+def main():
+    current, count = 50, 0
+    print(f"{current} count:{count}")
+    for line in open(file):
+        direction, magnitude = line[:1], int(line[1:])
+        scalar = 1 if direction == "R" else -1
+        pre = current
+        current += scalar * magnitude
+        if current <= 0 and pre != 0: count += 1
+        count += abs(current) // 100
+        current = normalize(current)
+        print(f"{direction} {magnitude} => {current} count:{count}")
+
+def normalize(x):
+    if 0 <= x <= 99: return x
+    if x <= 0:
+        return normalize(100 + x)
+    else:
+        return normalize(x - 100)
+
+if __name__ == "__main__":
+    main()