test_plates

Author: Sa3d-Ka

Problem Set 5/test_plates/plates.py

@@ -0,0 +1,40 @@
+def main():
+    plate = input("Plate: ")
+    if is_valid(plate):
+        print("Valid")
+    else:
+        print("Invalid")
+
+
+def is_valid(s):
+    # Check if the length is between 2 and 6
+    if len(s) < 2 or len(s) > 6:
+        return False
+
+    # Check if the first two characters are alphabetic
+    if not (s[0].isalpha() and s[1].isalpha()):
+        return False
+
+    # Check for invalid characters
+    for c in s:
+        if c in [' ', '?', '.', ',', '!']:
+            return False
+
+    # Find the index where numbers start, if any
+    i = 0
+    while i < len(s) and s[i].isalpha():
+        i += 1
+
+    # Ensure all characters after the first non-alpha are digits
+    if i < len(s):
+        for j in range(i, len(s)):
+            if not s[j].isdigit():
+                return False
+            # Ensure there's no leading zero in the numeric part
+            if s[j] == '0' and j == i:
+                return False
+
+    return True
+
+if __name__ == "__main__":
+    main()

Problem Set 5/test_plates/test_plates.py

@@ -0,0 +1,32 @@
+from plates import is_valid
+
+def main():
+    test_invalid()
+    test_valid()
+
+def test_invalid():
+    # Too short
+    assert is_valid("C") == False
+    # Too long
+    assert is_valid("OUTATIME") == False
+    # Starts with numbers
+    assert is_valid("12CS") == False
+    # Contains special characters
+    assert is_valid("PI3.14") == False
+    # Numbers in the middle
+    assert is_valid("CS50P") == False
+    # Leading zero
+    assert is_valid("CS05") == False
+    # Lowercase and leading zero
+    assert is_valid("50") == False
+
+def test_valid():
+    # Valid plate
+    assert is_valid("CS50") == True
+    # Valid plate with all letters
+    assert is_valid("HELLO") == True
+    # Valid plate with numbers at the end
+    assert is_valid("AAA222") == True
+
+if __name__ == "__main__":
+    main()