Here is the code:
f = open (\"NC_045512.2.fna\")
f.readline() # Ignore the header
c = f.readlines ()
l = \"\"
for e in c:
l += e.strip()
print (len(l))
#--- E N D O F C O D E
29903Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
                                                                                                                             Â
                                                                                                                             Â
...Program finished with exit code 0
The NCBI site also shows 29903 as the number of bps, confirming
above answer:
Severe acute respiratory syndrome coronavirus 2 isolate
Wuhan-Hu-1, complete genome
Severe acute respiratory syndrome coronavirus 2
29,903 bp genomic sequence
