Weight calculation for Fico score

Question

how could i calculate weight for fico score???

its like from our data set at first we have to classify our chosen variable into x1,x2,x3,x4,&x5. then we need to create a model and need to consider their  weight .

like y=(x1*w1)+(x2*w2)+(x3*w3)+(x4*w4)+(x5*w5)

here my question is how code i do it in python??. any idea?. actually im new in python any help (for code) will be appreciate. thanks in advance.