Solve Vehicular Restriction in python

solutions/beecrowd/2712/2712.py

@@ -0,0 +1,26 @@
+import re
+
+def is_valid_plate(plate):
+    match = re.match(r'^[A-Z]{3}-\d{4}$', plate)
+    return bool(match)
+
+def get_restricted_day(plate):
+    match tuple(plate):
+        case [*_, '1' | '2']:
+            return 'MONDAY'
+        case [*_, '3' | '4']:
+            return 'TUESDAY'
+        case [*_, '5' | '6']:
+            return 'WEDNESDAY'
+        case [*_, '7' | '8']:
+            return 'THURSDAY'
+        case [*_, '9' | '0']:
+            return 'FRIDAY'
+
+n = int(input())
+for _ in range(n):
+    plate = input()
+    if is_valid_plate(plate):
+        print(get_restricted_day(plate))
+    else:
+        print('FAILURE')

solutions/beecrowd/2712/generate_in.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+LOWER_CASE_LETTERS=(a b c d e f g h i j k l m n o p q r s t u v w x y z)
+UPPER_CASE_LETTERS=(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z)
+TESTCASES=1000
+
+function generate_valid_car_plate {
+    echo -n "${UPPER_CASE_LETTERS[$((RANDOM % 26))]}"
+    echo -n "${UPPER_CASE_LETTERS[$((RANDOM % 26))]}"
+    echo -n "${UPPER_CASE_LETTERS[$((RANDOM % 26))]}"
+    echo -n "-"
+    echo -n "$((RANDOM % 10))"
+    echo -n "$((RANDOM % 10))"
+    echo -n "$((RANDOM % 10))"
+    echo "$((RANDOM % 10))"
+}
+
+function generate_probably_invalid_car_plate {
+    for _ in $(seq $((RANDOM % 6 + 1))); do
+        if [[ $((RANDOM % 2)) -eq 0 ]]; then
+            echo -n "${UPPER_CASE_LETTERS[$((RANDOM % 26))]}"
+        else
+            echo -n "${LOWER_CASE_LETTERS[$((RANDOM % 26))]}"
+        fi
+    done
+    if [[ $((RANDOM % 2)) -eq 0 ]]; then
+        echo -n "-"
+    fi
+    for _ in $(seq $((RANDOM % 6 + 1))); do
+        echo -n "$((RANDOM % 10))"
+    done
+    echo
+}
+
+echo "${TESTCASES}"
+for _ in $(seq "${TESTCASES}"); do
+    if [[ $((RANDOM % 2)) -eq 0 ]]; then
+        generate_valid_car_plate
+    else
+        generate_probably_invalid_car_plate
+    fi
+done