test.md

Some test inputs you can try

1. Working inputs

A = B + C 
A = 4 * 2 * (1 + 9)
A = 4 * (2 * (1 + 9) * ( x * (3 + y)))

2. Inputs that will give errors

A = @ x + y
A = (()
x = y /// 3
x = y += 4
x = y # 5