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Python | sympy.is_nonzero() method

19 June 2025

In sympy module, we can test whether a given number n is nonzero or not using sympy.is_nonzero() function.

Syntax:  sympy.is_nonzero(n)
Parameter:  n; number to be tested
Return:  bool value result

Code #1:

Python3

# Python program to check nonzero 
# using sympy.is_nonzero() method
 
# importing sympy module
from sympy import *
 
# calling is_nonzero function on different numbers
geek1 = simplify(21).is_nonzero
geek2 = simplify(0).is_nonzero
 
print(geek1)
print(geek2)

Output:

True
False

Code #2:

Python3

# Python program to check nonzero number
# using sympy.is_nonzero() method
 
# importing sympy module
from sympy import *
 
# calling is_nonzero function on different numbers
geek1 = simplify(0.0).is_nonzero
geek2 = simplify(0).is_nonzero
 
 
print(geek1)
print(geek2)