Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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- Write a Python program that declares a string and returns key-value pairs of the letters in alphabetical order which occur in the string together with the number of times each letter occurs. Case should be ignored.arrow_forwardMany user-created passwords are simple and easy to guess. Write a program that takes a simple password and makes it stronger by replacing characters using the key below, and by appending "q*s" to the end of the input string. i becomes ! a becomes @ m becomes M B becomes 8 o becomes . Ex: If the input is: mypassword the output is: Myp@ssw.rdq*s Hint: Python strings are immutable, but support string concatenation. Store and build the stronger password in the given password variable.arrow_forwardC++ Nothing too advanced please. Learning the basicsarrow_forward
- hello im stuck on a problem and it would be great if you could create a program that prompts the user for a message to encode,as well as an offset to encrypt it with. You will then create and use the following methods:• A validation method that takes in the message (as a string) and the offset integerentered by the user. The method should return “true” if the offset is between 0and 26 inclusively and the message contains only letters and spaces. If it failseither criteria, it should return “false”.• If the validation method returns true, a second encryption method should becalled. This method also takes in the message (as a string) and the offset integerentered by the user. It should convert the message to UPPERCASE, encryptevery letter in the message, and leave the spaces as they were. It should thenreturn the encrypted message. i attached an image of the sample outputarrow_forwardSamething this is not a graded question it's all in python.arrow_forwardPasswords that are created by users are usually very simple and easy to guess. Create a Python program that takes a simpler pswrd + makes it stronger by taking characters using the rules below, and by appending "!" to the ending of the input string. i becomes 1 a becomes @ m becomes M B becomes 8 s becomes $ Example: If the input is: mypassword the output is: Myp@$$word! Hint: Python strings are immutable, but support string concatenation. Store and build the stronger password in the given password variable This is what I have so far.... word = input()password = ''arrow_forward
- On a piano, a key has a frequency, say f0. Each higher key (black or white) has a frequency of fo* r, where n is the distance (number of keys) from that key, and r is 21/12) Given an initial key frequency, output that frequency and the next 3 higher key frequencies. Output each floating-point value with two digits after the decimal point, then the units ("Hz"), then a newline, using the following statement: printf("$0.21f Hz\n", yourValue); Ex: If the input is: 440.0 (which is the A key near the middle of a piano keyboard), the output is: 440.00 Hz 466.16 Hz 493.88 Hz 523.25 Hz Note: To compute the next 3 higher key frequencies, use one statement to computer = 2(1/12) using the pow function (remember to include the math library). Then use that r in subsequent statements that use the formula f = f0 *r¹ with n being 1, 2, and finally 3. O Run v main.c 1 2 3 int main(void) { #include Reset Lab Tutorial Ⓡarrow_forwardWrite a program that reads a string (password) and a number. The maximum number of attempts (3). The program with stop asking data if the word ‘quit’ is provided in the password value. If user provide correct credential the message access granted will be displayed otherwise the message access denied with be generated.arrow_forward
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