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Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consisting if uppercase and lowercase Latin letters, it:deletes all the vowels,inserts a character "." before each consonant,replaces all uppercase consonants with corresponding lowercase ones.Vowels are letters "A", "O", "Y", "E", "U", "I", and the rest are consonants. The program's input is exactly one string, it should return the output as a single string, resulting after the program's processing the initial string.Help Petya cope with this easy task.InputThe first line represents input string of Petya's program. This string only consists of uppercase and lowercase Latin letters and its length is from 1 to 100, inclusive.OutputPrint the resulting string. It is guaranteed that this string is not empty.ExamplesinputCopytouroutputCopy.t.rinputCopyCodeforcesoutputCopy.c.d.f.r.c.sinputCopyaBAcAbaoutputCopy.b.c.b

Question

Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consisting if uppercase and lowercase Latin letters, it:deletes all the vowels,inserts a character "." before each consonant,replaces all uppercase consonants with corresponding lowercase ones.Vowels are letters "A", "O", "Y", "E", "U", "I", and the rest are consonants. The program's input is exactly one string, it should return the output as a single string, resulting after the program's processing the initial string.Help Petya cope with this easy task.InputThe first line represents input string of Petya's program. This string only consists of uppercase and lowercase Latin letters and its length is from 1 to 100, inclusive.OutputPrint the resulting string. It is guaranteed that this string is not empty.ExamplesinputCopytouroutputCopy.t.rinputCopyCodeforcesoutputCopy.c.d.f.r.c.sinputCopyaBAcAbaoutputCopy.b.c.b

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Solution

This problem can be solved by following these steps:

  1. First, we need to convert the input string to lowercase. This can be done using the lower() function in Python.

  2. Next, we need to remove all the vowels from the string. We can do this by iterating over the string and checking if each character is a vowel. If it is, we skip it. If it's not, we add it to a new string. In Python, we can use a for loop and the in keyword to check if a character is in a string of vowels.

  3. After removing the vowels, we need to add a "." before each consonant. We can do this by iterating over the string of consonants and adding a "." before each one.

  4. Finally, we return the resulting string.

Here is a Python solution for the problem:

def process_string(s):
    s = s.lower()
    vowels = 'aoyeui'
    result = ''
    for char in s:
        if char not in vowels:
            result += '.' + char
    return result

# Test the function
print(process_string('tour'))  # Should print ".t.r"
print(process_string('Codeforces'))  # Should print ".c.d.f.r.c.s"
print(process_string('aBAcAba'))  # Should print ".b.c.b"

This function works by first converting the input string to lowercase. Then it creates an empty string result to store the resulting string. It iterates over each character in the input string, and if the character is not a vowel, it adds a "." and the character to result. Finally, it returns result.

This problem has been solved

Similar Questions

Little Petya loves presents. His mum bought him two strings of the same size for his birthday. The strings consist of uppercase and lowercase Latin letters. Now Petya wants to compare those two strings lexicographically. The letters' case does not matter, that is an uppercase letter is considered equivalent to the corresponding lowercase letter. Help Petya perform the comparison.InputEach of the first two lines contains a bought string. The strings' lengths range from 1 to 100 inclusive. It is guaranteed that the strings are of the same length and also consist of uppercase and lowercase Latin letters.OutputIf the first string is less than the second one, print "-1". If the second string is less than the first one, print "1". If the strings are equal, print "0". Note that the letters' case is not taken into consideration when the strings are compared.ExamplesinputCopyaaaaaaaAoutputCopy0inputCopyabsAbzoutputCopy-1inputCopyabcdefgAbCdEfFoutputCopy1

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