6. Construct the Hoffman code for the C++ keywords given below for which the expected length of the bit string for each keyword is minimal. The weights of the keywords are given below in the table Words Weights return .15 switch .15 while2 if for 25 45 Draw resulting binary tree. Answer: Write the Hoffman codes for the words in this table Words | Weights Hoffman Code return.15 switch .15 while .2 if for 25 45