Computing GC Content | Python Fiddle

from __future__ import division

ros_str_1 = '>Rosalind_2592'
ros_str_2 = '>Rosalind_8415'
ros_str_3 = '>Rosalind_5955'
ros_str_4 = '>Rosalind_1419'
ros_str_5 = '>Rosalind_8776'
ros_str_6 = '>Rosalind_0928'
ros_str_7 = ''
ros_str_8 = ''
ros_str_9 = ''
ros_str_10 = ''

DNA_str_1 = 'CACGGGGCGACTGGCACCGTGAAGCAATAGTCCAGTATTCCGTTTTCGACGATTATCGAAATTGCACGAATATTTTTCATAGATTGTACCAACATCTGAGATTACCAGTTGAGTAAAAGCGAGATAGCTTCTCGACGCAACCAACTGACGCACAGTCCGGTTCAGTAAAGCCAGTGACATTGTAGACAAAGGAAAGATGCCAAAGGGTCCTGGCTTTGATGGTAACTCCGGCGAAATACGCTTTCTGCGGGTCCGAACGAATGGTACCGAAAGCTTACTGGAGGTACTGATTATAAATGAATACGGACTTGGCAGGTCTGTATCATGGGGATGGCGTTATTTGTAAATAGATCCTGGTGACGTCGTACTCGGACTACTACTAATCCAGGCGTGACCAAACCTGTGGCTGCGGTGTGCGGAGCGATAACTTGGCCATCGCCCGATCACCGGAACGCGACCTAACACTACATTATCGGAACACTGTCAGATTGATGTCTATAGAGCATGATCTTCCTTCCGCCGTGTTTATAGCACGGATAATCAGATTGCTTCTGCGATATAACTGCTCCTGCCAAAGTTGGGGGTATCAAACGCGAATACAAGCACATATGAACCTCTTCAGTCTGGGGGCATAGGAGAAGGGGTAAACGCATGTATTGTATTGGCTCGACCTCAAGGCAGTGCCCATCAAGAACGTACGAAATTTTACCGCTCATGCTCCTTCTTTGAGTTACTCAGCTGACGAGCACCATAACAGATAGCTGATGTATATGCTGCACTCACTAAATTCCCATTCTCGTTCACACATCGAGGATGGAAAACTCGTGCGTCATTAGACCTCGTTATAAGTAGGTGGGTGCGCTTTCCTAAAAAATCCTGGCAATCAAAGAGGGGGGGGGCGTAGCGTACTCGTCTTT>Rosalind_4732TAAAGTAAAACCCCCAACGCGGTAAATCTGGATTTGATATGCGGTTTCTCACATAGACTACGTGTTTCCCATACGGGCAATAACGGGGGCTACCCCGTTCGGGAATTGCGTAATAGATGTGCGGAGCCTTTGGCACGGACACATCGTATACGGGCTGACGTTACTAAATTACATATACCCAAAAGGTCCTAACATTCCCGATTACCTATTGCTTGAAGGTTACTTGCCGATCGAGCAGGACACAGCATCGTTGGGTAAGTGAATAAAGTGGCGTTGCGTAACCATCCAAATTAGTCAATTTACCGTCCCTACACTGGGAGGTTGACCGCGTGTCTTTAACACTACTTTCATAAAGCATGA'
DNA_str_2 = 'TAAAGTAAAACCCCCAACGCGGTAAATCTGGATTTGATATGCGGTTTCTCACATAGACTACGTGTTTCCCATACGGGCAATAACGGGGGCTACCCCGTTCGGGAATTGCGTAATAGATGTGCGGAGCCTTTGGCACGGACACATCGTATACGGGCTGACGTTACTAAATTACATATACCCAAAAGGTCCTAACATTCCCGATTACCTATTGCTTGAAGGTTACTTGCCGATCGAGCAGGACACAGCATCGTTGGGTAAGTGAATAAAGTGGCGTTGCGTAACCATCCAAATTAGTCAATTTACCGTCCCTACACTGGGAGGTTGACCGCGTGTCTTTAACACTACTTTCATAAAGCATGAACCTCAGTATACGGATCAAGCGTAAATGCTGATGATTCTTCCCAATTAAATTGTACACATTCAACGTCATTTGCGAAGCTCTGCAAGGATGAAAGCGTAAAGGCTGGCGATTAATGCGCTAGTTCAGTGACCTTAAGCCTGAAGATGTGGCGGATAGAGATAGGACACTTTGATTGATTGAATTTTTCTAAATGGAACAACTATGTGTGTTACTAAATAGTACAAAAGTATGCTATAGCCTTTCGTTCGAGCAGCGCGATCTCCTTCGCGTCGAGGATAGAAGCATTCGCACGCCTCTATTGCACACGGATGCGTCAGCTGACCCTGAAAAATGTTCCTCTTACGTGCCGCACTTATAGGACCCTCTGCGTGTCCCGGTTTGCCCCGGGAACACCACAACTACCGGTTCTCAGTACGAGTGGCTACGCTTTGTGAACATTTCTCGTTCGAAACGATTATATATCCTCACGTCTCGGCGGATCAATTCAGCCTGAAGTT>Rosalind_0865CAATCGGGTAGCTTATTTTCTTCCGGGATTACCCTATTGATTCTGGAACCACAGCAACAATTCATGTGCAGGTATGTTAGTGGCACTAAAAGGGTCTTACTTGCATATTTACTGTATGCATCATATGCCGCGAGGCTAATGGTAGACTTCATGTTGGACTATTATGCCTGGTAACGTCACGGTCCAATGTATTCCCGCATTATGGCGATCTCATTCGGAAGGCACAGACATGCCTGTTCTCGAGTGAGGAACGCAATGAGAACAACTGGGATACTATGCCTTAAAGTAGCAGGGCACAAA'
DNA_str_3 = 'CAATCGGGTAGCTTATTTTCTTCCGGGATTACCCTATTGATTCTGGAACCACAGCAACAATTCATGTGCAGGTATGTTAGTGGCACTAAAAGGGTCTTACTTGCATATTTACTGTATGCATCATATGCCGCGAGGCTAATGGTAGACTTCATGTTGGACTATTATGCCTGGTAACGTCACGGTCCAATGTATTCCCGCATTATGGCGATCTCATTCGGAAGGCACAGACATGCCTGTTCTCGAGTGAGGAACGCAATGAGAACAACTGGGATACTATGCCTTAAAGTAGCAGGGCACAAACCCACGCTCGGTCTAATCGAACAGGGTATGCGGAGGAAACTAGTTGTTGCGGGACATTGCCGGCGCCTGGAATTAGATGCTTTATACGCCCTGGCCTCTACTGGGTCTACCGAGACCAGCAGAAACCACTTTTCGCTGTCGACGCTACTTGGTGATACCAACTATGGCGTATCCGACCAGCCGAGGAGCTCATCTCAGTTACTGTCCCCTCCTTGCAGCAACAAGTAGCGGTTGAAAGCGTCGGCACCAGCGCCAGAGGTTAAATAATTTAAGGTATTACCATACCTACCAAGGTTGCAGCCAAGATTGCTGCAGTCTGGGAAGCTCCACAGAAGCGGCCTGCTTTGCGCTTTGCACACTGTTCGCACGCTGTTTCAGCCCCAGCGCCAGGCATCCCAGTGCATGAGGCTGAGCTTTCACCAGCACGGTTCCCAGCACACGCTAAATGCATGTATTCATTTGCCTACTAGGAATATTCCCCTGCTGGAGACTCGTCCCCCATATGTGTCCGGTGGAGCTAGTGGTTCTAGCGATGAATGGTTGCACCCAACTGTGGCTACTGGAGAAACCGCTTAGTTCTGATGCTGCGTGTGAAATCCTCAGAGGACGCATTTCCCCTCTGGCGGTCTGAGACAGCGGGGACAT>Rosalind_4810CAAAAACATCCTTGGTCGGCAAGCAGCGGCTCAACCACAGTCCACGTGCCACATACTCGCCATGCAATATCGGAGTAACATCAGTCTTGATGTATCCCTCATATTCCATGGCCGTAGATTTAATTGTTGGGATTAACCGATCGCCGCCAAGTTGGCTATGTAAGGATATGGCGGACATCGCTCCTCACGCCGCCACCCTGTCACCAGGAAACAGAGCCTGCGAGCCTCACGCCTTAGCCATAAACGACTGCCATAAATAGGACGCTCTGTATTGTCGTAAGATTCCGCCGGCCGGGTCAC'
DNA_str_4 = 'CAAAAACATCCTTGGTCGGCAAGCAGCGGCTCAACCACAGTCCACGTGCCACATACTCGCCATGCAATATCGGAGTAACATCAGTCTTGATGTATCCCTCATATTCCATGGCCGTAGATTTAATTGTTGGGATTAACCGATCGCCGCCAAGTTGGCTATGTAAGGATATGGCGGACATCGCTCCTCACGCCGCCACCCTGTCACCAGGAAACAGAGCCTGCGAGCCTCACGCCTTAGCCATAAACGACTGCCATAAATAGGACGCTCTGTATTGTCGTAAGATTCCGCCGGCCGGGTCACTATCGTCACAGAACAGCACAATCGTCCGTAACACGCCCCCGTGTTGTTCCCTGGCGGATTAACCATAGTGGGAGAGAGCGGGAAATAGTAGGAAAAAAACGTCGACGAGGTAAATATTGTACCCCCAAGCTACGCAGGTTACAACCGTGCGAAAAACGTTCAGGGAACCACCACTGACTGCACTGCTTCCTTATAATGATAGTGTACTAAAACCGTATAGAAACCAAAATGAGGACTTCCTGATGTTGCCCTCGGATATTTCCAGCGTCTTGTAGTTGGTGCCGATTGACTGTCGGAATCCTCGCGATCTCTCCCAAAACGGGGCAAACGTCTTCGCGGCCACAGTTTGTCAGGTCAATATACGGTGTGGGCCATCCTTCACTTAAATATACGTGCCGACCTTATCTGCGGTTGCAGCAATCTGCTGGGTTCGGGGAACTGGCAATATGATAACTATTGATAAATGAAACCTGCCTACTCGGAGCATTTTCCTCCAGGCTCTGTGAAAATCCGGCCAGCGACCGAAATGGCCCACCTGAGGGGGGCCCGGTCAGATATCATATTGACCGACAGCCGTATATCTCCTCAAGGAAGTGAAATGATCAGTCACGATTGTCAATTATGTCCATTAGGTCTCGTG>Rosalind_1763CCTCAATCTGCGGCCCTCACCGTGGCACACACCTCTAGGTATAGTCTCAGCACTTTCCATCTGAGACCACACCCAGAAGGCCTAGCTAAGGTATTTGCGCAGGCATTCTGCTTCTGCAATTACCCGGTCTAATCATGCTGAGGAAAAACGGCCCGGCAGCTACCTTCTGTGTGGCCGAGATGCTTTAGAGGTCGGAACCGTCTTGCGCCCGGAAGAAGTGGGAATGCAGGCGGTCCGTTCCGGCCCCAGGGACTCTTGTGCACCGAAGCGCCTACATGGAGCTACTGCCGATCTATATGG'
DNA_str_5 = 'CCTCAATCTGCGGCCCTCACCGTGGCACACACCTCTAGGTATAGTCTCAGCACTTTCCATCTGAGACCACACCCAGAAGGCCTAGCTAAGGTATTTGCGCAGGCATTCTGCTTCTGCAATTACCCGGTCTAATCATGCTGAGGAAAAACGGCCCGGCAGCTACCTTCTGTGTGGCCGAGATGCTTTAGAGGTCGGAACCGTCTTGCGCCCGGAAGAAGTGGGAATGCAGGCGGTCCGTTCCGGCCCCAGGGACTCTTGTGCACCGAAGCGCCTACATGGAGCTACTGCCGATCTATATGGCCAGGCCCCTTACGACTAGCGAAAACGACTCTAAACTTTACCCACGTACAATATTGCCACTAATGGACCCAGCCCGCGTCTTAAATCGTGGATACGATTACATCGGTATTGATATTAATCTGTGAGTATTGCGGTGTAAGTGTCCCGTGGGTATCTACACTTTCTGGTAAGCTGCGAAATACCCGTATACTTTAACACCAGCGCCTTGAAAAGTGCCACAATCTTCAGTAAGCGACCCCGACGAAGACCACGAGGGAGATACAGAGCTGATATCTGCTATGGCGTCCGCTTAAACTCTTAGCCGAGCTGGGGGGTTCAATAGGTTGCGCGTGCCCCCTTGCGCCGGGTGTCCTTTGATCCTCCAAGCACGCTCCCTGCACAGGAAATTCAAACACTTGTGACAAATGTACGTTTCCTTACTCAGTGATTAAGAGTAATTCGATGAGCTACGGAATGGGATGGTTCTATATCTGCTTAGACCGCATGCGGCGTTTGGAGACCGGCTCACGACTCAGATTGTGATTGTGGCTCCATGCCTTGGGCGCATCCAAGATCTCGCATGTGAAGAGTCAGTTGCGATTAGTCCTCCTCTTTCTTTACTTATTCTGGATTTCGGGTGACGTGCCCTTTAGGGACTTTC>Rosalind_5657TATGAACGACAATCGGCTTCGTTGATATCCTTACCCTCAAGCTCAAGGGGGACTACACGTCGTTTTCCATCACAGGGGGCCTCGTCCGTACCGCGTTGGTATAGTCTCGGTCCTCTCGGAGCGATCAAAGGTTTTTCTGCGGAGTCTATATATTCCCTGTTTCCTCTGCTAAATGGTAGCGCCGACCTTTGTTGTATAGCGCAATTGGCACAGGGAGACATGGAAACACAACACCCCAGAGACTGCGAGATACGGAACGATCGTTGTCACCCCCTCTTCCCCGCAATGATGCTTAGTGAG'
DNA_str_6 = 'TATGAACGACAATCGGCTTCGTTGATATCCTTACCCTCAAGCTCAAGGGGGACTACACGTCGTTTTCCATCACAGGGGGCCTCGTCCGTACCGCGTTGGTATAGTCTCGGTCCTCTCGGAGCGATCAAAGGTTTTTCTGCGGAGTCTATATATTCCCTGTTTCCTCTGCTAAATGGTAGCGCCGACCTTTGTTGTATAGCGCAATTGGCACAGGGAGACATGGAAACACAACACCCCAGAGACTGCGAGATACGGAACGATCGTTGTCACCCCCTCTTCCCCGCAATGATGCTTAGTGAGTGTTTTGAGTGCGTACTCTGCACCTAGTTTCAGCATAATCAGGAAGGAACAGTGGAGTGTAGGATGAGGGCACGCCGAATCCGGTAGCGAATGTAAATGTCCTGTTCAGCTTGGGTAACTATGATACCTCTCCAAGGATATAACGAACTATGCATATACATGTTACTACGCCAAACACAACAACATCAATGACTCAGTGTTCCATTCCACGGCTTATGATGCAGGGCGGTCAATACTCTGTAGCATGATCCATCTAACTTAGCTGTGGGCCGGCAGATGGTGTTCACACGAATACCTGCTACATCTGTGTGGCATTGCTTGGCGTATCTGCCCGCATGTCTCTATGGGGGTGATAGGGGTGGAAATCCGCCCCCACAGTAGGGATGGTGCAGTGCGGGTTCCTTACTAAAGGGCGGCTTCCTTCAGGCATACCCCCTAAAGGACCCAAATTCGTCAGCGGGAACCTCACACGGGCCTCGGAGGCCGAGGGAGCGTCAACGGGAACTTCTGTTTTCGGTTGCGGAAATAGATGATAAGCAGTAAAACCAACAGGGCGTTACACTGCGTCAACGAAGCTCTCACCTACGACGGAGTAGCTCAGGCGGCACCTGTATGGGATGGAACGGGGCCTAGTCTTTACAGACCATATAGAGAATGTTT'
DNA_str_7 = 'aa'
DNA_str_8 = 'aa'
DNA_str_9 = 'aa'
DNA_str_10 = 'aa'

leng_DNA_str_1 = len(DNA_str_1)
leng_DNA_str_2 = len(DNA_str_2)
leng_DNA_str_3 = len(DNA_str_3)
leng_DNA_str_4 = len(DNA_str_4)
leng_DNA_str_5 = len(DNA_str_5)
leng_DNA_str_6 = len(DNA_str_6)
leng_DNA_str_7 = len(DNA_str_7)
leng_DNA_str_8 = len(DNA_str_8)
leng_DNA_str_9 = len(DNA_str_9)
leng_DNA_str_10 = len(DNA_str_10)

list_DNA_1 = list(DNA_str_1)
list_DNA_2 = list(DNA_str_2)
list_DNA_3 = list(DNA_str_3)
list_DNA_4 = list(DNA_str_4)
list_DNA_5 = list(DNA_str_5)
list_DNA_6 = list(DNA_str_6)
list_DNA_7 = list(DNA_str_7)
list_DNA_8 = list(DNA_str_8)
list_DNA_9 = list(DNA_str_9)
list_DNA_10 = list(DNA_str_10)

count_str_1 = 0
count_str_2 = 0
count_str_3 = 0
count_str_4 = 0
count_str_5 = 0
count_str_6 = 0
count_str_7 = 0
count_str_8 = 0
count_str_9 = 0
count_str_10 = 0

for i in list_DNA_1:
    if i == 'C' or i =='G':
        count_str_1 += 1

for i in list_DNA_2:
    if i == 'C' or i =='G':
        count_str_2 += 1
       
for i in list_DNA_3:
    if i == 'C' or i =='G':
        count_str_3 += 1
        
for i in list_DNA_4:
    if i == 'C' or i =='G':
        count_str_4 += 1
        
for i in list_DNA_5:
    if i == 'C' or i =='G':
        count_str_5 += 1
        
for i in list_DNA_6:
    if i == 'C' or i =='G':
        count_str_6 += 1
        
        
for i in list_DNA_7:
    if i == 'C' or i =='G':
        count_str_7 += 1
        
for i in list_DNA_8:
    if i == 'C' or i =='G':
        count_str_8 += 1
        
for i in list_DNA_9:
    if i == 'C' or i =='G':
        count_str_9 += 1
        
for i in list_DNA_10:
    if i == 'C' or i =='G':
        count_str_10 += 1

ratio_1 = (count_str_1 / leng_DNA_str_1 * 100)
ratio_2 = (count_str_2 / leng_DNA_str_2 * 100)
ratio_3 = (count_str_3 / leng_DNA_str_3 * 100)
ratio_4 = (count_str_4 / leng_DNA_str_4 * 100)
ratio_5 = (count_str_5 / leng_DNA_str_5 * 100)
ratio_6 = (count_str_6 / leng_DNA_str_6 * 100)
ratio_7 = (count_str_7 / leng_DNA_str_7 * 100)
ratio_8 = (count_str_8 / leng_DNA_str_8 * 100)
ratio_9 = (count_str_9 / leng_DNA_str_9 * 100)
ratio_10 = (count_str_10 / leng_DNA_str_10 * 100)

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