Solve TaskC20

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TaskC20/solution.py

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+import re
+import sys
+
+def extract_phone_number(line: str) -> str:
+    # The Pattern:
+    # - Start word-boundary
+    # - An optional leading zero
+    # - Two digits followed by a space
+    # - Then a digit, followed by '-', then three digits, then '-', then three digits
+    p = re.compile(r'\b([0]?\d{2}\s\d-\d{3}-\d{3})\b')
+    m = p.search(line)
+    return m.group(1) if m else "<NONE>"
+
+if __name__ == "__main__":
+    for line in sys.stdin:
+        stripped_line = line.strip()
+        print(extract_phone_number(stripped_line))

TaskC20/test.out

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+00 0-000-000
+000 0-000-000
+<NONE>
+061 5-555-553
+61 5-555-553
+<NONE>