list hackerrank solution
list=[]
n=int(input())
for i in range(n):
p=input().split()
if p[0]=="insert":
list.insert(int(p[1]),int(p[2]))
elif p[0]=="print":
print(list)
elif (p[0]=="remove"):
list.remove(int(p[1]))
elif p[0]=="append":
list.append(int(p[1]))
elif p[0]=="sort":
list.sort()
elif p[0]=="print":
print(list)
elif p[0]=="pop":
list.pop()
elif p[0]=="reverse":
list.reverse()
elif p[0]=="print":
print(list)