Bringing some days up to speed after a short break

7/1.py

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+import random
+
+def test(expression: list[str|int]) -> int:
+    while len(expression) >= 3:
+        left, op, right = expression[0], expression[1], expression[2]
+        if len(expression) > 3:
+            expression = expression[3:]
+        else:
+            expression = []
+        if op == '*':
+            expression.insert(0, left * right)
+        else:
+            expression.insert(0, left + right)
+    return expression[0]
+
+def genrate_expression(vals: list[int]) -> list[str|int]:
+    ops  = [random.choice('*+') for _ in range(len(vals) - 1)]
+    expr = []
+    for item in zip(vals, ops):
+        expr.extend(item)
+    expr.append(vals[-1])
+    return expr
+
+
+with open('input.data') as file:
+    inputs = []
+    for line in file:
+        vals = [int(val) for val in line.replace(':', '').split()]
+        inputs.append([vals[0], vals[1:]])
+    s = 0
+    for case in inputs:
+        answer, vals = case[0], case[1]
+        expr = genrate_expression(vals)
+        for i in range(20000):
+            expr = genrate_expression(vals)
+            result = test(expr)
+            if result == answer:
+                #print(expr)
+                s += answer
+                break
+    print(s)
+
+
+
+
+    
+    
+    

7/sample.data

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+190: 10 19
+3267: 81 40 27
+83: 17 5
+156: 15 6
+7290: 6 8 6 15
+161011: 16 10 13
+192: 17 8 14
+21037: 9 7 18 13
+292: 11 6 16 20