mundo=['par', 'porta', 'par', 'porta', 'par', 'par', 'porta', 'par', 'par', 'par'] 
loc=[0]*len(mundo)

for i in range(len(mundo)):
        loc[i]=1.0/len(mundo)

z_ok=0.8
z_erro=0.2

u_ok=0.8
u_aprox=0.1

def calc_perc(z):
    for i in range(len(mundo)):
        if z==mundo[i]:
            loc[i]=loc[i]*z_ok
        else:
            loc[i]=loc[i]*z_erro

        norm=sum(loc)
        for i in range(len(mundo)):
            loc[i]=round(loc[i]/norm,3)    
  
def calc_mov(dist):
    nloc=[0]*len(mundo)
    for i in range(len(mundo)):
        nloc[i]=u_ok*loc[i-dist] + u_aprox*loc[i-dist-1] + u_aprox*loc[i-dist+1]
        
    norm=sum(nloc)
    for i in range(len(mundo)):
        loc[i]=round(nloc[i]/norm,3)   
  
       
#print loc
#calc_perc('porta')
#print loc
#calc_mov(2)
#print loc
#calc_perc('porta')
#print loc