Is the Willis Tower and the john Hancock center the same building?

No, the Willis Tower and the John Hancock Center are not the same building. The Willis Tower, formerly known as the Sears Tower, is located at 233 South Wacker Drive and is one of the tallest buildings in the United States. The John Hancock Center is located at 875 North Michigan Avenue and is also a prominent skyscraper in Chicago. Both buildings are iconic landmarks, but they have distinct designs and purposes.