from random import randint possiblevals= ["A","C", "T","G"] generatedlist= [] lengthsequence= int(input("Enter a number for the length of the DNA sequence ")) while lengthsequence%3 !=0: lengthsequence= int(input("Remember, nucleic acids are always present in groups of 3 called codons. Your number has to be divisible by 3. Please try again. ")) i=0 #making the DNA sequence while i<lengthsequence: randnum= randint(0,3) sequenceval= possiblevals[randnum] generatedlist.append(sequenceval) i=i+1 print (generatedlist) #making the RNA sequence possiblerna= ["U", "G", "A", "C"] rnalist= [] s=0 while s< lengthsequence: DNAval= generatedlist[s] dnaindex= possiblevals.index(DNAval) rnaconversion= possiblerna[dnaindex] rnalist.append(rnaconversion) s=s+1 print (rnalist) #making the amino acid chain finallist= [] str1="" a=0 b=1 c=2 e=0 p=3 listpossible= ["GCA", "GCC", "GCG", "GCU", "UGC", "UGU", "GAC", "GAU", "GAA", "GAG", "UUC", "UUU", "GGA", "GGC", "GGG", "GGU", "CAC","CAU", "AUA", "AUC", "AUU", "AAA", "AAG", "UUA", "UUG", "CUA", "CUC", "CUG", "CUU", "AUG", "AAC", "AAU","CCA", "CCC", "CCG", "CCU", "CAA","CAG","AGA", "AGG","CGA","CGC","CGG", "CGU", "AGC", "AGU", "UCA", "UCC", "UCG", "UCU", "ACA", "ACC", "ACG", "ACU", "GUA", "GUC", "GUG", "GUU", "UGG", "UAC", "UAU"] listamacids= ["Alanine", "Alanine", "Alanine", "Alanine", "Cysteine", "Cysteine", "Aspartic acid", "Aspartic acid", "Glutamic acid", "Glutamic acid", "Phenylalanine", "Phenylalanine", "Glycine", "Glycine","Glycine","Glycine", "Histidine", "Histidine", "Isoleucine", "Isoleucine", "Isoleucine", "Lysine", "Lysine", "Leucine", "Leucine", "Leucine", "Leucine", "Leucine", "Leucine", "Methionine", "Asparagine", "Asparagine", "Proline", "Proline", "Proline", "Proline", "Glutamine", "Glutamine", "Arganine", "Arganine", "Arganine", "Arganine", "Arganine", "Arganine", "Serine", "Serine", "Serine", "Serine", "Serine", "Serine", "Threonine", "Threonine", "Threonine", "Threonine", "Valine", "Valine", "Valine", "Valine", "Tryptophan", "Tyrosine", "Tyrosine"] while e< (lengthsequence/3): str1="" str1= str1+rnalist[a] str1= str1+rnalist[b] str1= str1+rnalist[c] index= listpossible.index(str1) var= listamacids[index] finallist.append(var) a=a+3 b=b+3 c=c+3 e=e+1 print (len(listpossible)) print (len(listamacids)) print (finallist)

import requests import urllib.request import time from bs4 import BeautifulSoup import webbrowser url = 'https://arxiv.org/' response = requests.get(url) soup = BeautifulSoup(response.text, "html.parser") one_a_tag = soup.findAll('a')[12] print(one_a_tag.text) link = 'arxiv.org'+one_a_tag['href'] n=1 counter = 0 y={} for i in soup.findAll('a'): counter+=1 if counter > 12 and counter<237: print(str(n)) print(i.text) y.update({i.text:i['href']}) n+=1 z=input('what article title do you want to view') print(y[z]) website='arxiv.org'+y[z] webbrowser.open_new(website)