BackgroundIn Lecture 5 to Lecture 6, we learned the python programming skills to process biologicalsequences and pattern searching. In this assignment, you are required to write python programsto practice processing of biological sequences and pattern searching.Question 1 (3%)Write a function that check whether an input sequence is a valid protein sequence. The functiontemplate is given to you as below. The function should return True if the input sequence is avalid protein sequence, and return False otherwise. The following is the list of valid aminoacidsymbols:"A", "C", "D", "E", "F", "G", "H", "I", "L", "M", "N", "P", "Q", "R", "S","T", "V", "W", "Y"def validate_protein (protein_seq) :""" Checks if protein sequence is valid. Returns True is sequence isvalid, or False otherwise.# To be completed...Question 2 (5%)Write a function that, given a sequence as an argument, allows to detect if there are repeatedsub-sequences of size k (the second argument of the function). The result should be a dictionarywhere keys are sub-sequences and values are the number of times they occur (at least 2). Thefunction template is given to you as below. (Hints: you can make use of the function"search_all_occurrences" shown to you in Lecture 6)def number_of_repeated_subseq (seq, k):"""Return a dictionary where keys are sub-sequences of size k and11 11 11values are number of times they occur (at least 2) """dic = {}# To be completed...return dicQuestion 3 (7%)Write a function that performs a text search in a text file. The function takes the filename anda list of strings as inputs. The list of strings is the patterns to be searched within the text file. A"*" character within the string is a wildcard character, which can stand for unknown characterswith any length greater than zero. It returns a dictionary where keys are the patterns in the listof strings being searched, and values are the number of times they occur. Your function shouldhave the following template:def text_search (filename, pattern. 1/2"""It searches the file filename and returns a dictionary of searchresult, showing patterns with number of occurrences"""dic = {}# To be completed.1 where keys are sub-sequences and values are the number of times they occur (at least 2). Thefunction template is given to you as below. (Hints: you can make use of the function"search_all_occurrences" shown to you in Lecture 6)def number_of_repeated_subseq(seq, k):"""Return a dictionary where keys are sub-sequences of size k andvalues are number of times they occur (at least 2) """dic = {}# To be completed...re rn dicQuestion 3 (7%)Write a function that performs a text search in a text file. The function takes the filename anda list of strings as inputs. The list of strings is the patterns to be searched within the text file. A"*" character within the string is a wildcard character, which can stand for unknown characterswith any length greater than zero. It returns a dictionary where keys are the patterns in the listof strings being searched, and values are the number of times they occur. Your function shouldhave the following template:def text_search (filename, patterns):"""It searches the file filename and returns a dictionary of searchresult, showing patterns with number of occurrences"""dic = {}# To be completed...return dicFor example, suppose a file with filename “File 1.txt" contains the following texts,Mary is a girl.They are girls.Fish has gills.By calling the following lines of codes,strings = ["is", "gi*1"]print (text_search ("File 1.txt", strings))The following output is obtained:{'is': 2, 'girl': 2, 'gill': 1}12/22

Question

BackgroundIn Lecture 5 to Lecture 6, we learned the python programming skills to process biologicalsequences and pattern searching. In this assignment, you are required to write python programsto practice processing of biological sequences and pattern searching.Question 1 (3%)Write a function that check whether an input sequence is a valid protein sequence. The functiontemplate is given to you as below. The function should return True if the input sequence is avalid protein sequence, and return False otherwise. The following is the list of valid aminoacidsymbols:&#34;A&#34;, &#34;C&#34;, &#34;D&#34;, &#34;E&#34;, &#34;F&#34;, &#34;G&#34;, &#34;H&#34;, &#34;I&#34;, &#34;L&#34;, &#34;M&#34;, &#34;N&#34;, &#34;P&#34;, &#34;Q&#34;, &#34;R&#34;, &#34;S&#34;,&#34;T&#34;, &#34;V&#34;, &#34;W&#34;, &#34;Y&#34;def validate_protein (protein_seq) :&#34;&#34;&#34; Checks if protein sequence is valid. Returns True is sequence isvalid, or False otherwise.# To be completed...Question 2 (5%)Write a function that, given a sequence as an argument, allows to detect if there are repeatedsub-sequences of size k (the second argument of the function). The result should be a dictionarywhere keys are sub-sequences and values are the number of times they occur (at least 2). Thefunction template is given to you as below. (Hints: you can make use of the function&#34;search_all_occurrences&#34; shown to you in Lecture 6)def number_of_repeated_subseq (seq, k):&#34;&#34;&#34;Return a dictionary where keys are sub-sequences of size k and11 11 11values are number of times they occur (at least 2) &#34;&#34;&#34;dic = {}# To be completed...return dicQuestion 3 (7%)Write a function that performs a text search in a text file. The function takes the filename anda list of strings as inputs. The list of strings is the patterns to be searched within the text file. A&#34;*&#34; character within the string is a wildcard character, which can stand for unknown characterswith any length greater than zero. It returns a dictionary where keys are the patterns in the listof strings being searched, and values are the number of times they occur. Your function shouldhave the following template:def text_search (filename, pattern. 1/2&#34;&#34;&#34;It searches the file filename and returns a dictionary of searchresult, showing patterns with number of occurrences&#34;&#34;&#34;dic = {}# To be completed.1 where keys are sub-sequences and values are the number of times they occur (at least 2). Thefunction template is given to you as below. (Hints: you can make use of the function&#34;search_all_occurrences&#34; shown to you in Lecture 6)def number_of_repeated_subseq(seq, k):&#34;&#34;&#34;Return a dictionary where keys are sub-sequences of size k andvalues are number of times they occur (at least 2) &#34;&#34;&#34;dic = {}# To be completed...re rn dicQuestion 3 (7%)Write a function that performs a text search in a text file. The function takes the filename anda list of strings as inputs. The list of strings is the patterns to be searched within the text file. A&#34;*&#34; character within the string is a wildcard character, which can stand for unknown characterswith any length greater than zero. It returns a dictionary where keys are the patterns in the listof strings being searched, and values are the number of times they occur. Your function shouldhave the following template:def text_search (filename, patterns):&#34;&#34;&#34;It searches the file filename and returns a dictionary of searchresult, showing patterns with number of occurrences&#34;&#34;&#34;dic = {}# To be completed...return dicFor example, suppose a file with filename “File 1.txt&#34; contains the following texts,Mary is a girl.They are girls.Fish has gills.By calling the following lines of codes,strings = [&#34;is&#34;, &#34;gi*1&#34;]print (text_search (&#34;File 1.txt&#34;, strings))The following output is obtained:{'is': 2, 'girl': 2, 'gill': 1}12/22

Accepted Answer

Q1)
Answer:  you can send any input in function
Code:

def validate_protein (protein_sequence):…