The standard deviation of the portfolio always is equal to the weighted average of the standard deviations

Question:

The standard deviation of the always is equal to the weighted average of the standard deviations of the assets in the True or false?
Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...