Uploading lecture01 activities
Merge branch 'master' of https://github.com/AllenDowney/ThinkDSP
Merge branch 'master' of https://github.com/AllenDowney/ThinkDSP
Merge branch 'master' of https://github.com/AllenDowney/ThinkDSP
Merge branch 'master' of https://github.com/AllenDowney/ThinkDSP
Merge branch 'master' of https://github.com/AllenDowney/ThinkDSP
Merge branch 'master' of https://github.com/AllenDowney/ThinkDSP
Merge branch 'master' of https://github.com/AllenDowney/ThinkDSP
Messed git up and trying to resolve it
Reforked and cloned ThinkDSP

Adding my old files back in