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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create_alias(alias_name, alias_command):
 """ Create an alias. Args: alias_name: The name of the alias. alias_command: The command that the alias points to. """

    alias_name, alias_command = alias_name.strip(), alias_command.strip()
    alias_table = get_alias_table()
    if alias_name not in alias_table.sections():
        alias_table.add_section(alias_name)

    alias_table.set(alias_name, 'command', alias_command)
    _commit_change(alias_table)