program to count Base in DNA
def count_v2(dna, base):
i = 0
for c in dna:
if c == base:
i += 1
return i
dna = ‘ATGCGGACCTAT’
base = ‘C’
n = count_v2(dna, base)
print(n)
Print sequence in Python
for i in ‘ATGC’:
print i
