Question

Write a program whose input is a DNA sequence (a string), and whose output indicates the number of times the nucleotide base 'g' is found in the sequence.

Ex: If the input is:
agtctstcgtatgg

the output is:
4

Ex: If the input is:
gctgcgtttgggtagt

the output is:
7

Answer 1

in python:

dna = (whatever the DNA sequence is)

print(dna.count('g'))

I hope this helps!