@interact
def _(f=('$\int_0^1f$',x^2)):
print f
@interact
def _(f=(r'$\frac{f}{g}$',x^2)):
print f
@interact
def _(f=(r'$\lim_{x\to 0}f(x)$',x^2)):
print f
Interact: please open in CoCalc
Interact: please open in CoCalc
Interact: please open in CoCalc