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from .context import assert_equal
import pytest
from sympy import Symbol
epsilon_upper = Symbol('char"000190', real=True)
epsilon_lower = Symbol('epsilon', real=True)
varepsilon = Symbol('varepsilon', real=True)
def test_greek_epsilon():
assert_equal("\\epsilon", epsilon_lower)
def test_greek_epsilon_upper():
assert_equal('\\char"000190', epsilon_upper)
def test_greek_varepsilon():
assert_equal('\\varepsilon', varepsilon)
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