Problem 1. Bytes Q5. Match the description of procedures with the correct statements that implement th procedures. NOTE: All variables are shown in parentheses!!! convert a string (a) to bytes convert bytes (b) to a string convert bytes (b) to a number convert a number (a) to bytes ✓ [Choose ] a.encode('utf-8') b.decode('utf-8') format(a, '008b') bytes (a) a.to_bytes((a.bit_length() + 8) // 8, 'big') ".join([format(ord(x), '008b') for x in s]) int.from_bytes(b, 'big') [Choose ]

Problem 1. Bytes Q5. Match the description of procedures with the correct statements that implement th procedures. NOTE: All variables are shown in parentheses!!! convert a string (a) to bytes convert bytes (b) to a string convert bytes (b) to a number convert a number (a) to bytes ✓ [Choose ] a.encode('utf-8') b.decode('utf-8') format(a, '008b') bytes (a) a.to_bytes((a.bit_length() + 8) // 8, 'big') ".join([format(ord(x), '008b') for x in s]) int.from_bytes(b, 'big') [Choose ]

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Try to do asap And do not copy from other sources Write your own code with necessary comments.
Please help me fix my python program: (see image attached for error message) import random def nucleotide(str1, X): #1. Take two parameters, a nucleotide sequence as a string, and an integer. #2. Check for invalid characters (not ATCG). for i in str1: if i != 'A' or i != 'T' or i != 'G' or i != 'C': sys.exit("Invalid nucleotide") #2. If invalid character is found, exit function #3. Make the entire string lower case str1 = str1.lower() lst = list(str1) #Convert string to list #4. for i in range(0,X): num = len(str1) charPosition = random.randint(0,num-1) #Choose a character position in the string at random charNucleotide = lst[charPosition] #Determine which nucleotide is at that position. randomNucleotide = lst[random.randint(0,3)] #At random, select a different nucleotide and replace the previous nucleotide with the new one. lst[charPosition] = randomNucleotide.upper()…
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6. A palindrome is a number or text phrase that reads the same backwards or forwards. For example, each of the following five-digit integers is a palindrome: 12321, 55555, 45554 and 11611. Write a program that reads a 5 digit integer and determines whether it is a palindrome. Hint: One way to do this is to use division (/) and modulus (%) operators to separate the number into individual digits.
You are given a string. Get input from the user. In the first line, print the third character of this string. In the second line, print the second to last character of this string. In the third line, print the first five characters of this string. In the fourth line, print all but the last two characters of this string. In the fifth line, print all the characters of this string with even indices (remember indexing starts at 0, so the characters are displayed starting with the first). In the sixth line, print all the characters of this string with odd indices (i.e. starting with the second character in the string). In the seventh line, print all the characters of the string in reverse order. 8. In the eighth line, print every second character of the string in reverse order, starting from the last one. In the ninth line, print the length of the given string.
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3. Write a program that transforms numbers 1, 2, 3,..., 12 into the corresponding month names January, February, March, ..., December. Hint: Make a very long string "January February March ...", in which you add spaces such that each month name has the same length. Then use substring to extract the month you want.
Write a program that converts among decimal, hex, and binarynumbers, as shown in Figure c. When you enter a decimal value in the decimal-value text field and press the Enter key, its corresponding hex and binarynumbers are displayed in the other two text fields. Likewise, you can enter valuesin the other fields and convert them accordingly. (Hint: Use the Integer.parseInt(s, radix) method to parse a string to a decimal and use Integer.toHexString(decimal) and Integer.toBinaryString(decimal) toobtain a hex number or a binary number from a decimal.)
Must show it in Python: Please show step by step with comments. Please show it in simplest form. Please don't use any functions Please don't use any def func ()
2. Generate a random string of length 10 that contains only lowercase alphabets from 'a' to 'z'. Print the string in the output.
hello. can you solve this? thank you.. #python
Answer in Python: 1. Write code that prints a greeting in the following format: Hi, xxx! where xxx is the name of a person stored in the variable name. Assume that the name variable has been initialized. 2. Concatenate Strings Write code that concatenates the character strings in str1 and str2, separated by a space, and assigns the result to a variable named joined. Assume that both string variables have been initialized. 3. Write code that deducts the value stored in down_payment from the value in total and stores the result in balance_due. Assume the values of total and down_payment have already been set.