more cleaning

2023/15/part 1 solution.py

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+with open(r'advent_of_code\2023\15\input.txt', 'r') as file:
+    input_data = file.read()
+
+test_input = 'rn=1,cm-,qp=3,cm=2,qp-,pc=4,ot=9,ab=5,pc-,pc=6,ot=7'
+#input_data = test_input
+
+# Function to calculate hash value
+def calculate_hash(s):
+    hash_value = 0
+    for char in s:
+        hash_value = ((hash_value + ord(char)) * 17) % 256
+    return hash_value
+
+# Function to process commands
+def process_commands(commands, box):
+    for command in commands:
+        if command[-1] == '-':
+            name = command[:-1]
+            hash_value = calculate_hash(name)
+            # Initialize an empty list for the updated box values
+            updated_box_values = []
+
+            # Iterate over each tuple in the box at the hash_value index
+            for tuple_in_box in box[hash_value]:
+                # Unpack the tuple into name (n) and value (v)
+                n, v = tuple_in_box
+
+                # If the name does not match the name to be removed, add it to the updated list
+                if n != name:
+                    updated_box_values.append((n, v))
+
+            # Assign the updated list back to the box at the hash_value index
+            box[hash_value] = updated_box_values
+        elif command[-2] == '=':
+            name = command[:-2]
+            hash_value = calculate_hash(name)
+            length = int(command[-1])
+            # Initialize an empty list for the updated box values
+            updated_box_values = []
+
+            # Iterate over each tuple in the box at the hash_value index
+            for tuple_in_box in box[hash_value]:
+                # Unpack the tuple into name (n) and value (v)
+                n, v = tuple_in_box
+
+                # Check if the name matches the name in the command
+                if name == n:
+                    # If it matches, update the value to the new length
+                    updated_value = length
+                else:
+                    # If it doesn't match, keep the original value
+                    updated_value = v
+
+                # Add the tuple with the name and updated value to the list
+                updated_box_values.append((n, updated_value))
+
+            # Assign the updated list back to the box at the hash_value index
+            box[hash_value] = updated_box_values
+
+
+# Split the commands
+commands = input_data.split(',')
+
+# Calculate the sum of hash values
+sum_hash_values = 0
+for command in commands:
+    sum_hash_values += calculate_hash(command)
+print(sum_hash_values)
+
+# Initialize the box
+box = [[] for _ in range(256)]
+
+# Process the commands
+process_commands(commands, box)