# import sympy
from sympy import * x = symbols('x')
expr = x**2 * z + 4 * x*y * z + 4 * y**2 * z
  
print("Mathematical expression : {}".format(expr))
    
# Use sympy.factor_list() method
f = factor_list(expr) 
    
print("List of factors : {}".format(f)) 

Mathematical expression : x**2*z + 4*x*y*z + 4*y**2*z
List of factors : (1, [(z, 1), (x + 2*y, 2)])

# import sympy
from sympy import * x = symbols('x')
expr = (x**2 - 2 * x + 1)
  
print("Mathematical expression : {}".format(expr))
    
# Use sympy.factor_list() method
f = factor_list(expr) 
    
print("List of factors : {}".format(f)) 

Mathematical expression : x**2 - 2*x + 1
List of factors : (1, [(x - 1, 2)])