https://stackoverflow.com/questions/55861077/hackerrank-lists-problem-standard-test-case-works-but-others-dont
if __name__ == '__main__':
N = int(input())
m=list()
for i in range(N):
method,*l=input().split()
k=list(map(int,l))
if len(k)==2:
q=[k[0]]
w=[k[1]]
elif len(k)==1:
q=[k[0]]
if method =='insert':
m.insert(q[0],w[0])
elif method == 'append':
m.append(q[0])
elif method == 'remove':
m.remove(q[0])
elif method =='print':
print(m)
elif method == 'reverse':
m.reverse()
elif method =='pop':
m.pop()
elif method == 'sort':
m.sort()