Question: Read in a file (complex.txt) which has a number of complex numbers in the form of a+bi (e.g. 3+5i 2-3i etc).
1. Read each line and create one complex object.
2. Write all complex objects to file complexObj.txt
3. Compute sum of all objects and append the object to the end of complexObj.txt
Please show me all the working and provide the answer.