Python | sympy.has() method

With the help of sympy.has() method, we can check if variable is used in that mathematical expression or not and this will return a boolean values by using sympy.has() method.

Syntax : sympy.has(variable) Return : Return boolean value i.e True or False.

Example #1 : In this example we can see that by using sympy.has() method, we are able to check the variable is used in the mathematical expression or not. Output :

True

Example #2 :

Output :

False