Python Code for the following.

def pt$()$:

i$=$first

t$=[]$

while $($i$!=-1)$:

print$("[",$a$[$i$],$b$[$i$],$end$="],")$

i$=$z$[$i$]$

print$()$

a$=[32,74,16,58,43]$

b$=[-1,-1,26,62,-1]$

z$=[4,-1,0,1,3]$

first$=2$

pt$()$ # $[1626],[32-1],[43-1],[5862],[74-1],$

insert$(12)$

pt$()$ # $[1216],[26-1],[32-1],[43-1],[5862],[74-1],$

insert$(47)$

pt$()$ # $[1216],[26-1],[32-1],[43-1],[4758],[62-1],[74-1],$

insert$(41)$

pt$()$ # $[1216],[26-1],[32-1],[4143],[4758],[62-1],[74-1],$

insert$(50)$

pt$()$ # $[1216],[26-1],[32-1],[4143],[4750],[58-1][62-1],[74-1],$