What is the main content of the fairy tale "The Brave Little Tailor"

The fairy tale " The Brave Little Tailor " mainly told the story of a brave and witty little tailor. The tailor met a brave wolf in the forest and the wolf asked him how to protect himself from the attacks of other beasts. The tailor taught the wolf many combat skills to help him defeat the beast and protect his home. On the journey, the tailor met a kind witch who told him that if he wanted to obtain eternal life, he had to pass a test. The Tailor passed the test and gained eternal life and became a hero. At the end of the story, the Tailor and his friends went on an adventure to help their home avoid the attack of evil forces. The tailor and his friends finally defeated the evil forces and defended their homeland, becoming heroes praised by everyone.