Single File Programming QuestionProblem StatementDurga, a computer science student, wants to write a program that inputs a character and determines its predecessor according to two rules: If the character is 'a' or 'A', map it to 'z' or 'Z'For any other character, map it to the one immediately before it. Help her with the program that uses a function called processInput() and prints the immediate predecessor of the input character.Input format :The input character is a valid alphabetical character (either uppercase or lowercase).Output format :The output displays a single character, which is the predecessor of the input character based on the specified rules.Refer to the sample output for formatting specifications.Code constraints :The character is a valid alphabetical character (either uppercase or lowercase).The program does not handle non-alphabetic characters.Sample test cases :Input 1 :AOutput 1 :ZInput 2 :gOutput 2 :fInput 3 :zOutput 3 :yInput 4 :tOutput 4 :s
Question
Single File Programming QuestionProblem StatementDurga, a computer science student, wants to write a program that inputs a character and determines its predecessor according to two rules: If the character is 'a' or 'A', map it to 'z' or 'Z'For any other character, map it to the one immediately before it. Help her with the program that uses a function called processInput() and prints the immediate predecessor of the input character.Input format :The input character is a valid alphabetical character (either uppercase or lowercase).Output format :The output displays a single character, which is the predecessor of the input character based on the specified rules.Refer to the sample output for formatting specifications.Code constraints :The character is a valid alphabetical character (either uppercase or lowercase).The program does not handle non-alphabetic characters.Sample test cases :Input 1 :AOutput 1 :ZInput 2 :gOutput 2 :fInput 3 :zOutput 3 :yInput 4 :tOutput 4 :s
Solution
Here is a Python solution for the problem:
def processInput(char):
if char == 'a':
return 'z'
elif char == 'A':
return 'Z'
else:
return chr(ord(char) - 1)
# Test the function
print(processInput('A')) # Output: Z
print(processInput('g')) # Output: f
print(processInput('z')) # Output: y
print(processInput('t')) # Output: s
This program works by defining a function processInput that takes a character as input. If the character is 'a' or 'A', it returns 'z' or 'Z' respectively. For any other character, it uses the ord function to get the ASCII value of the character, subtracts 1 to get the ASCII value of the previous character, and then uses the chr function to convert this back to a character. The function is then tested with several different inputs.
Similar Questions
Single File Programming QuestionProblem StatementNancy, an aspiring programmer, has a series of alphabets from A-Z arranged circularly. Write a program that takes an integer input representing the position in the series and prints the corresponding character. Example: If Miranda inputs 1, it corresponds to 'A'.If Miranda inputs 28, it corresponds to 'B' because the alphabet series is circular, and position 28 loops back to the second letter in the series.Help Nancy by crafting a program that meets her challenge using a recursive function called generateTerm.Input format :The input consists of an integer n, representing the position for which the character needs to be retrieved,Output format :The output prints the character present at the given position.Refer to the sample output for the formatting specifications.Code constraints :In the given scenario, the test cases fall under the following constraints:1 ≤ n ≤ 100Sample test cases :Input 1 :1Output 1 :AInput 2 :28Output 2 :BInput 3 :59Output 3 :GInput 4 :100Output 4 :VNote :The program will be evaluated only after the “Submit Code” is clicked.Extra spaces and new line characters in the program output will result in the failure of the test case.
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