Indefinite integrate returns +C omitted. Definite takes a tuple (x, a, b).

Goal

Integrate x^2 from 0 to 3.

import sympy as sp
x = sp.symbols('x')
print(sp.integrate(x ** 2, x))

import sympy as sp
x = sp.symbols('x')
print(sp.integrate(x ** 2, (x, 0, 3)))

import sympy as sp
x = sp.symbols('x')
print(sp.integrate(sp.sin(x), (x, 0, sp.pi)))

import sympy as sp
x = sp.symbols('x')
print(sp.integrate(sp.exp(-x), (x, 0, sp.oo)))