# Python | sympy.is_polynomial() method

With the help of `sympy.is_polynomial()` method, we can check if polynomial is found it will return True as boolean value by using `sympy.is_polynomial()` method.

Syntax : `sympy.is_polynomial()`
Return : Return a boolean value if polynomial is found.

Example #1 :
In this example we can see that by using `sympy.is_polynomial()` method, we are able to detect the polynomial by getting boolean value.

 `# import sympy ` `from` `sympy ``import` `*`  ` `  `x, y ``=` `symbols(``'x y'``) ` ` `  `# Use sympy.is_polynomial() method ` `gfg ``=` `simplify(x``*``*``2` `+` `2` `*` `y``*``x ``+` `y``*``*``2``).is_polynomial() ` `    `  `print``(gfg) `

Output :

True

Example #2 :

 `# import sympy ` `from` `sympy ``import` `*`  ` `  `x, y ``=` `symbols(``'x y'``) ` ` `  `# Use sympy.is_constant() method ` `gfg ``=` `simplify(sin(x)).is_constant() ` `    `  `print``(gfg) `

Output :

False

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