commands.py

n = """12
insert 0 5
insert 1 10
insert 0 6
print
remove 6
append 9
append 1
sort
print
pop
reverse
print"""


def handle_command(lst, command, args):
    if command != 'print':
        getattr(lst, command)(*args)
    else:
        print lst

for line in n.splitlines()[1:]: # skip first line
    line = line.split()
    command = line[0].strip()
    args = map(int, line[1:])
    handle_command(lst, command, args)

# OUTPUT:
# [6, 5, 10]
# [1, 5, 9, 10]
# [9, 5, 1]