countPointMutations.py

from importNT import *

def hammingDist(s, t) :

	'''Given: Two DNA strings s and t of equal length (not exceeding 1 kbp).
	Return: The Hamming distance dH(s,t).'''

	#Test input for legality
	if type(s) != str or type(t) != str :
		return('Input not str')

	if len(s) > 1000 or len(t) > 1000 :
		return('Input too long. Max 1000')

	if len(s) != len(t) :
		return('Inputs not same length')

	s = s.upper()
	t = t.upper()

	DNA = ('A', 'C', 'G', 'T')

	for i in range(len(s)) :
		if s[i] not in DNA :
			return('First input not a DNA sequence')
		if t[i] not in DNA :
			return('Second input not a DNA sequence')

	#Actual function
	dH = 0

	for i in range(len(s)) :
		if s[i] != t[i] :
			dH += 1

	return dH


fin1 = 'TAGCCCAACATTGTTACTATTTAAATAGAAATCCGAGCAGCCACCTCGTTCTATGCTATTCAGCCCGTGAACTTTAAAAGTTGCCGTGGTTGACTCCCGGCGTCGTCCCGTATATCGCCGGGGGGAGTTCCCTTGAACTCATGGGATTCATACGGTGTAACTGCTTTCTCGGAAAACTCGTAGCACGTATCCGTTGCTGGGGAACGCGGGTTGAGTGCTGAGCAACGACATCCGCGTACAGATTTTCATTTTCCGATCAAGGGGTATTAGGATTGCATTCACCGACTAAAAGTCTCATAGCGATCATTAGTCTACGGAATTGGGAATGAAGTATACTTCTATAACTTTAGAAGCCATTCTGATACAGTAGACGGCGGATTCTGGTGATAGATACATCTAGTATGGACTATAGTAAGACCTCTGCTCTGTGCCCAATACTCAAGAGTGGTTTTAGAAGTGCTTTTTCCTCCTCTTACATTGAATAATTGTGTATGCCGCCATCAAGTGTATTGTTATATAGGCGAGTTTAGCTTGCGAGGCCGGGTCAGTATTATTCCCCGCCACCCATACATGATGGGGTGTGTTCTGGGACTTTTCTCTATGGGGTGCGATTTCGGCAAGGGAATATGTAAACGTACCCCCGGACTCGGACAGCTCGCGCTTGAATCATGGTATCGGGCTGCTCCTAACCATGAATAAAACGAGGCGAGCTTGCCGATAGCTATATACAGACAAGGTAGTGAGTGAGCCTTTTTCCCCGACCCCTCCTATGAAAAGGCCAGGTCATGGCACTGAGTACACCGCTCAGCTGGAGGACGTAGCTCCGTCGTAGTGGGGGACCAGGACCGTCTGTCAGCCACAATAGCTCGCTCCTAGCAAGAATCCGTGTCCGTATGTCTCAAGTCCAGCCATAAGGTACTACTTCAAATAGAAGCTGCGGGTTGAGGCCGAAGCTCGTCAAGG'
fin2 = 'AAGGCGTAAAATACGACTATGTCGAACGGTAACCCAGACTCAAGCCCTATGTTAAATATGCTTCCCGGAGCCCGTCAAAATTGCCGTGTTTTCCTACCCCCGTAGTGCTGTCTATGCTCGAATCGCCCGCACGAGTGCGCACTGGACGCCGATGGCTTCCGTGTGGATTCCAAAAATTACTAAGAGGAATATATTCCCGTGCTAGTAGTGTATCGAGGTGAGTAATGGCGTTACCGCGATAAGAGTTCATGGCAGAATTATTGTGTTTAACCTTCAAATCGCAGCTTTTTCAGCTCGTTGCTAGCTTTACCCTCGGTAAGTGCGAACGAAGGATCCCTCGGAAAGCGTAGGGATCATCACCAGACATAAGACGTTGAGTGCTAGTGAAAAATTCTACTGCTATAGGCTAGTGTGTTTCCAATGTTCATCTGTTAGCTAACAAAAGTGAGTTTAAATAACGTAATACCTGGTCGGCTATTATAGAAGTGAGTATGGGGGCCCCTCGGTAACTCTAAGATCGACCAGTGCAGCTGATGAATCAGGGTGCGTACTCTAGAGCTCCCTTCTCGCAGTGTACTCTCTATACAGTGACTTTCATCCAAGGAGCTCGACGTGCGAAAGCCGAGAGGTTGCAGTTGCGACGTTCGCCTAGTCGTCTGGCATGTATCATTCTGACGGACAGGAGTTAACTTTGGGCCCAACGGCCTATAGTTCTTGATAACCATGGAATGATAGTTGGGTGAGTGTGCCCTTTTTCTCTGCCTGGCCGGTCCAAAGCCCCAGGTATGACAGACAGCAGTCCGCTCTGCCAGGCTGACCGACTCCAACTTCGCGACGGAGGCTCTGCGGCTGTCAGCCATAATAGCTAGCTTAGAACAACAGGTAGGGCGCGAATATCTCATATATGCGCTGAGGGTCAGTACTCCTCTTTATAGTTGGAGTCAAATTTCAAGGACGTTATTT'


print(hammingDist(fin1, fin2))