Solve p4,p5,p6 and down

def pz(a): for i in range(len(a)): for j in a: print (a[i].j) def p3(a): for i in a for j in a: print (i.j) def p4 (a): for i in range(len(a)): pi (a) def p5(a): for i in range(len(a)): p3(a) def p6(a): for i in range(len(a)): p5 (a) def p7 (a): ilen(a)-1 while i>-0: print(a[i]) def p8(a): i len(a)-1 while i> print (a[i]) def p9(a): 1 len(a)-1 while i 0 pi(a) def p10 (a): i len(a)-1 while 10: print (ali]) i //2 logn def p11(a): while i