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()