DNA = [] aminoAcids = "" from random import randint word = "ACTGY" randomVal = randint(0,3) x = word[randomVal] for i in range(1,16): DNA.append(word[randint(0,3)]) res = [sub.replace('A', 'U') for sub in DNA] DNA = res res = [sub.replace('T', 'A') for sub in DNA] DNA = res res = [sub.replace('C', 'X') for sub in DNA] DNA = res res = [sub.replace('G', 'C') for sub in DNA] DNA = res res = [sub.replace('X', 'G') for sub in DNA] DNA = res print(DNA) print(str(DNA)) listToStr = ''.join(map(str, DNA)) print(listToStr) aminoAcidMap = ['A', 'A', 'A', 'A', 'C', 'C', 'D', 'D', 'E', 'E', 'F', 'F', 'G', 'G', 'G', 'G', 'H', 'H', 'I', 'I', 'I', 'K', 'K', 'L', 'L', 'L', 'L', 'L', 'L', 'M', 'N', 'N', 'P', 'P', 'P', 'P', 'Q', 'Q', 'R', 'R', 'R', 'R', 'R', 'R', 'S', 'S', 'S', 'S', 'S', 'S', 'T', 'T', 'T', 'T', 'V', 'V', 'V', 'V', 'W', 'Y', 'Y'] RNACombo = ["GCA" ,"GCC" ,"GCU" ,"GCG" ,"UGC" ,"UGU","GAC" ,"GAU","GAG" ,"GAA","UUC" ,"UUU","GGA" ,"GGG" ,"GGC" ,"GGU","CAC" ,"CAU""AUA" ,"AUC" ,"AUU" ,"AAA" ,"AAG","UUG" ,"UUA" ,"CUA" ,"CUC" ,"CUU" ,"CUG","AUG","AAC" ,"AAU","CCC" ,"CCA" ,"CCU" ,"CCG","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"] for i in range(0,15,3): x = listToStr[i:i+3] print(x) MatchFound = False for y in RNACombo: if y == x: z = RNACombo.index(y) aminoAcids = aminoAcids + aminoAcidMap[z] MatchFound = True break if MatchFound == False: print("STOP!") if MatchFound == False: print("aminoAcids:" + aminoAcids + "False") print("aminoAcids:" + aminoAcids)