SICP, although an excellent book, is not a good introduction to programming.

[1] thoroughly explains why

[2,3] based on How To Design Programs [4] is a much better intro; you should read SICP after completing this

[1] https://www2.ccs.neu.edu/racket/pubs/jfp2004-fffk.pdf

[2] https://www.edx.org/course/how-code-simple-data-ubcx-htc1x

[3] https://www.edx.org/course/how-code-complex-data-ubcx-htc2x

[4] https://htdp.org/