包含函数的SymPy表达式由函数的反函数取消

from sympy import exp,log
import sympy as sym

x = sym.Symbol('x')

expr = log(exp(x))

print(expr)
print(sym.simplify(expr))

diff_expr = x - log(exp(x))
if diff_expr == 0:
    print('Expression was simplified!')
from sympy import exp,log
import sympy as sym