data $=[[4,3,1,1],$

$[2,3,0\mathrm{.}5,0],$

$[5,4,1\mathrm{.}2,1],$

$[4\mathrm{.}5,4\mathrm{.}5,1\mathrm{.}1,1],$

$[1,2\mathrm{.}7,0\mathrm{.}5,0],$

$[1\mathrm{.}7,2\mathrm{.}7,0\mathrm{.}7,0],$

$[3\mathrm{.}5,3\mathrm{.}5,1\mathrm{.}2,1],$

$[2\mathrm{.}1,2\mathrm{.}3,0\mathrm{.}5,0],$

$[2\mathrm{.}3,2\mathrm{.}1,0\mathrm{.}7,0],$

$[3\mathrm{.}5,3\mathrm{.}2,1\mathrm{.}3,1]]$

mystery$\_$Animal $=[3\mathrm{.}2,3\mathrm{.}1,3]$

def sigmoid$($x$)$:

return $1/(1+$np$.$exp$(-$x$))$

def sigmoid$\_$p$($x$)$:

return sigmoid$($x$)*(1-$sigmoid$($x$))$

def train$()$:

w$1=0\mathrm{.}2$

w$2=0\mathrm{.}1$

w$3=-0\mathrm{.}6$

wb $=0\mathrm{.}1$

Iterations $=10000$

learning$\_$rate $=0\mathrm{.}1$

Costs $=[]$

For i in range$($iterations$)$:

ri $=$ np$.$random.randint$($len$($data$))$

point $=$ data$[$ri$]$

z $=$ point$[0]*$ w$1+$ point$[1]*$ w$2+$ point$[2]*$ w$3+$ b

pred $=$ sigmoid$($z$)$

target $=$ point$[2]$

cost $=$ np$.$square$($pred $-$ target$)$

if I $\%100==0$:

c$=0$

For j in range$($len$($data$))$:

p$=$ data$[$j$]$

p$\_$pred $=$ sigmoid$($w$1*$ p$[0]+$ w$2*$ p$[1]+$ w$3*$ p$[2]+$ b$)$

c $+=$ np$.$square$($p$\_$pred $-$ p$[3])$

costs.append$($c$)$

dcost$\_$dpred $=2*($pred $-$ target$)$

dpred$\_$dz $=$ sigmoid$\_$p$($z$)$

dz$\_$dw$1=$ point$[0]$

dz$\_$dw$2=$ point$[1]$

dz$\_$dw$3=$ point$[2]$

dz$\_$db $=1$

dcost$\_$dz $=$ dcost$\_$dpred $*$ dpred$\_$dz

dcost$\_$dw$1=$ dcost$\_$dz $*$ dz$\_$dw$1$

dcost$\_$dw$2=$ dcost$\_$dz $*$ dz$\_$dw$2$

dcost$\_$dw$3=$ dcost$\_$dz $*$ dz$\_$dw$3$

dz$\_$db $=$ dcost$\_$dz $*$ dz$\_$db

w$1=$ w$1-$ learning$\_$rate $*$dcost$\_$dw$1$

w$2=$ w$2-$ learning$\_$rate $*$dcost$\_$dw$2$

w$3=$ w$3-$ learning$\_$rate $*$dcost$\_$dw$3$

b $=$ b $-$ learning$\_$rate $*$dcost$\_$db

return costs, w$1,$ w$2,$ w$3,$ b

costs, w$1,$ w$2,$ w$3,$ b $=$ train$()$

z$=$ w$1*$mystery$\_$Animal$[0]+$ w$2*$mystery$\_$Animal$[1]+$ w$3*$mystery$\_$Animal$[2]+$ b

pred $=$ sigmoid$($z$)$

print$($pred$)$ can you fix this code I want to print the updated weights for $3$ epoch also I want the graph