Error when trying to apply a conditional statement to sympy

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I'm trying to set a conditional statmeent in sympy so that when the iterable is not equal to a certain number (30) in this case, it returns 0.
My code is:
def formula(address):

address0 = 30
logic = 3 * x

Define the symbol and the summation range
x = symbols('x')

expr = Piecewise(
(x + logic, logic == address0), # When x equals certain_integer, only add logic
((x + logic) - (x + logic), logic!=address0) # For all other values of x, apply full logic (x + logic - x + logic)
)

#If -x + logic only do it to the ones that aren't address0
total = summation(expr(x, 0, 089237316195423570985008687907836))
total2 = total - address0
print(f'{total}\n{total2}')
return total2

def formula(address):

address0 = 30
logic = 3 * x

Define the symbol and the summation range
x = symbols('x')

expr = Piecewise(
(x + logic, logic == address0), # When x equals certain_integer, only add logic
((x + logic) - (x + logic), logic!=address0) # For all other values of x, apply full logic (x + logic - x + logic)
)

#If -x + logic only do it to the ones that aren't address0
total = summation(expr(x, 0, 089237316195423570985008687907836))
total2 = total - address0
print(f'{total}\n{total2}')
return total2

As you can see in my code, in the expr variable I set x+logic when logic is 30 and when the other logicsaren't 30 it returns 0 since it subtracts it. The code is returning 0 regardless of what I do and I don't know why. Can someone help me?


Tags: python,python-3.x,sympySource of the question:
https://stackoverflow.com/questions/7...

Question and source license information:
https://meta.stackexchange.com/help/l...
https://stackoverflow.com/