Add solution to day 8 part 1

day8/py/main.py

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+import sys
+from typing import Tuple
+
+
+def make_layers(input: Tuple[int], width: int, height: int) -> Tuple[Tuple[int]]:
+    layers = []
+    # There should be height * width items in a given layer
+    num_layers = len(input) // (height * width)
+    for i in range(num_layers):
+        start = i * height * width
+        end = (i + 1) * height * width
+        layers.append(tuple(input[start:end]))
+
+    return tuple(layers)
+
+
+def part1(layers: Tuple[Tuple[str]]) -> int:
+    fewest_zero_layer = min((layer for layer in layers), key=lambda layer: layer.count(0))
+
+    return fewest_zero_layer.count(1) * fewest_zero_layer.count(2)
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 4:
+        print("Usage: ./main.py in_file width height")
+        sys.exit(1)
+
+    with open(sys.argv[1]) as f:
+        input = [int(char) for char in f.read().strip()]
+
+    width = int(sys.argv[2])
+    height = int(sys.argv[3])
+
+    layers = make_layers(input, width, height)
+    print(part1(layers))

day8/sample.txt

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+123456789012