Mathematica代码转换为Python
Python 代码：
from sympy.parsing.mathematica import parse_mathematica
from sympy import var
# 1. Defined symbols
x, y, z = var('x y z')
# 2. Transform
a = "Cos[x]*Sin[y]*z^2" # Mathematica代码
print(parse_mathematica(a))
显示：
z**2*sin(y)*cos(x)