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Calligraphy is one of the expressions of Chinese characters. It uses specific strokes, structure, layout and other techniques to display Chinese characters in an artistic form. Calligraphy is not only the writing of words, but also an art form and an important part of cultural heritage. Through calligraphy, people can feel the beauty and connotation of Chinese characters, and at the same time, it can also convey the author's emotions and thoughts. Calligraphy has a long history and rich development in China. It is widely used in painting, seal cutting, seals and other fields, and has become one of the unique art forms of Chinese culture.