# https://app.codesignal.com/arcade/code-arcade/book-market/2nSEQ8CGoddTJtnbo
def properNounCorrection(noun):
    # Convert to proper noun.
    return noun[0].upper() + noun[1:].lower()

# https://app.codesignal.com/arcade/code-arcade/book-market/2nSEQ8CGoddTJtnbo
def properNounCorrection(noun):
    # Convert to proper noun.
    return noun[0].upper() + noun[1:].lower()

# https://app.codesignal.com/arcade/code-arcade/book-market/2nSEQ8CGoddTJtnbo # Convert to proper noun.