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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 placeholder_symbol_table(name, version, max_id):
 """Constructs a shared symbol table that consists symbols that all have no known text. This is generally used for cases where a shared symbol table is not available by the application. Args: name (unicode):
 The name of the shared symbol table. version (int):
 The version of the shared symbol table. max_id (int):
 The maximum ID allocated by this symbol table, must be ``>= 0`` Returns: SymbolTable: The synthesized table. """

    if version <= 0:
        raise ValueError('Version must be grater than or equal to 1: %s' % version)
    if max_id < 0:
        raise ValueError('Max ID must be zero or positive: %s' % max_id)

    return SymbolTable(
        table_type=SHARED_TABLE_TYPE,
        symbols=repeat(None, max_id),
        name=name,
        version=version,
        is_substitute=True
    )