A program that takes in a DNA sequence of a gene, prints this sequence (each of the four types of nucleotide has a unique color), then calculates the gene size (in base pairs and kilo base pairs), calculates the GC content of the gene, and finally searches for this gene in a database of genomes that have been previously entered).
All genetic sequences (genes and whole genomes) were obtained from NCBI GenBank.
As a test, I first run two human genes and let the program search for their location in human genome (on which chromosome are they located?). Then I run a group of covid-19 reference genes to detect their presence or absence in a group of covid-19 genomes obtained from different patients around the world (Absence might indicate that these genes have been mutated in some genomes).