 पाइटन is a high-level programming language, which has several applications in the area of bioinformatics. अब इस मोडूल में हम जे देखेंगे के bioinformatics में पाइटन की क्या application है, at a very, very beginning level. आच आब यहापे हमें एक बात देखने जाएए, के bioinformatics के जब आब बात करते है, तो वहापे data is in sequence format. तो sequence data can be represented in the form of list data structure in programming languages. आब बायलोगिकल डेटा जोई है, वो sequence के format में है, और जो हमारे पास पाइटन है, उस में list का data structure बहुत स्वोंग है, so there is a correlation between these two things, के जब हम data structures को प्रहेंट करना जाते है, in python, तो list हमें help करेगी, to understand or to maintain those biological data sequences. आब बात करते है, आब बात करते है, now we will look at some basic sequence operations and how to read files using python. आब आब �由 блया मैचिन स्काश्ट ईस मरभ पास पैटन मैचिऊंग, बात से कृम मैचिरके रए रहाती है,wear pattern matching with serpent brackets. कच underworld मैं तो वीन में क fot run these religious discourse programs, वर टेडा करते है, आब पास पास पास कृमions with chest of chest of chest, so it has mcb so basically now what will we see we will check that here we have acgct in this pattern so we will know the part that is present here now if this part is present here then we will say that this pattern is present here so basically this is an example, which is taken from a yeast promoter sequence and what to do? so simply we will take this pattern and put it here and it will be like this ज़यसSEQUENCE मैं वा दोड� broken और टिलो़ करतो हिघ्या ईअं से नेभी आप सब ओध एक आरँए Whitneyआ लगउप्रए खये रेव वद कर दीचका अटी रब पसकöstाम隆ji पू ऄप सब भा पनी दोझी नेद आप after ती पार करे लोग भस्में टिलगना जब अप अप इप फास टा थी तो प्रिझझा यह ढिर्ठॄों थर्ट वी करः़ई कोग तो और अतब ऐसे प्रिच्ऑाँ। because this is indentation part के python में indentation part जुरी है कि जो statement निचे आरी है that becomes part of this if statement. Moving on क्या हम पास्टा फर्मेद को पर सकते है using python it is very very straight forward. Suppose अगर यहाँ पर में एक जमपल दूं के हमारे पास्टा की फाँल है which is basically shown यो हमें ये बताना चाहारी है कोँन सी उसके पाट्ट से असमें के यहां तुब लगास है तो ये जो में यहाँ प्सीमपल यहां बहुते है Which is basically this one. अगर यहाँ पर मैं यह सीजे एब वाँ पने वाँ कर पास्टा पर्मेद which can be downloaded from internet also. तो वो क्या करेगा हैंगा यिस फाutos को ज़ब करेंगे तो बोस्वगा रहँ नहीं ज़ाएगा सेम्हिलएल्य पीर लेग, सीगी ये नता सीगी थाबल्व ambiente वोबडबल्फी। it will show this result and if i write cg1148 it will show this result so simple if we write the name of the sequence or file on the editor of python then it will show the contents of that sequence here it is necessary to tell that I didn't take the whole sequence it is simple that I took some of the characters to show it printing all sequences name in a faster database now in the last slide that I had read the format I had saved them in the name of fry3utr.txt file which I am saying here ok now I want to show here that what we have python in that how we have looping for example I have used for operator which tells us that we want to read multiple lines so what we do for line in open fly3utr.txt this is the file in which all the sequences are coming now what it will do is it will read every line if line.start with this symbol if the line starts with this symbol then print it now in our last slide we had three names which were starting with this symbol they were the names of these files cg11604 and so on so now we have put this slide here so that if we want to write some looping statement which means loop statement which we use in programming languages for example making tables for sequential information so these are the for loops finding all sequences length now if we want that whatever sequences we have what is the length of them what is the length of the sequences which are shown basically in this part that we have read the file and what will be the length of the sequences which is basically this output 58, 83 and 69 what we have to code so same for line in open this is the sequence address we have done the text file here line.line.rstrip rstrip means to strip from right side if line starts with this symbol then what we do is simple if name and length and if the name and length are same then print name and length name means cg11604 and length 58 characters similarly we will do this for everyone and we will return it every time and we are getting this print so that finally we have print all the files with their length