#!/usr/bin/python

#### Convert 'species to uppercase
'species'.upper()
SPECIES

#### Convert every occurrence of 'a' with 'A' in the given string
'gcagtctgaggattccaccttctacctgggagagaggacatactatatcgcagcagtggaggtggaatgg'.replace('a','A')
'gcAgtctgAggAttccAccttctAcctgggAgAgAggAcAtActAtAtcgcAgcAgtggAggtggAAtgg'

#### Print "    Thank goodness it's Friday" without the leading white
'      Thank goodness it's Friday'.strip()
"Thank goodness it's Friday"

#### Count the length of string 'gccgatgtacatggaatatacttttcaggaaacacatatctgtggagagg'
'gccgatgtacatggaatatacttttcaggaaacacatatctgtggagagg'.count('')
51

#### For the following DNA sequence determine the following properties
#### and print them to the screen

dna = """ttcacctatgaatggactgtccccaaagaagtaggacccactaatgcagatcctgtg
tgtctagctaagatgtattattctgctgtggatcccactaaagatatattcactgggcttattgggccaa
tgaaaatatgcaagaaaggaagtttacatgcaaatgggagacagaaagatgtagacaaggaattctattt
gtttcctacagtatttgatgagaatgagagtttactcctggaagataatattagaatgtttacaactgca
cctgatcaggtggataaggaagatgaagactttcaggaatctaataaaatgcactccatgaatggattca
tgtatgggaatcagccgggtctcactatgtgcaaaggagattcggtcgtgtggtacttattcagcgccgg
aaatgaggccgatgtacatggaatatacttttcaggaaacacatatctgtggagaggagaacggagagac
acagcaaacctcttccctcaaacaagtcttacgctccacatgtggcctgacacagaggggacttttaatg
ttgaatgccttacaactgatcattacacaggcggcatgaagcaaaaatatactgtgaaccaatgcaggcg
gcagtctgaggattccaccttctacctgggagagaggacatactatatcgcagcagtggaggtggaatgg
gattattccccacaaagggagtgggattaggagctgcatcatttacaagagcagaatgtttcaaatgcat
ttttagataagggagagttttacataggctcaaagtacaagaaagttgtgtatcggcagtatactgatag
cacattccgtgttccagtggagagaaaagctgaagaagaacatctgggaattctaggtccacaacttcat
gcagatgttggagacaaagtcaaaattatctttaaaaacatggccacaaggccctactcaatacatgccc
atggggtacaaacagagagttctacagttactccaacattaccaggtgaaactctcacttacgtatggaa
aatcccagaaagatctggagctggaacagaggattctgcttgtattccatgggcttattattcaactgtg
gatcaagttaaggacctctacagtggattaattggccccctgattgtttgtcgaagaccttacttgaaag
tattcaatcccagaaggaagctggaatttgcccttctgtttctagtttttgatgagaatgaatcttggta
cttagatgacaacatcaaaacatactctgatcaccccgagaaagtaaacaaagatgatgaggaattcata
gaaagcaataaaatgcatgctattaatggaagaatgtttggaaacct"""

dna.count('gagg')
8

pos = dna.find('atta')