Here is a Python program that fulfills your requirements:

```python
def convert_numbers(input_string):
# Split the input string into a list of numbers
numbers = input_string.split(',')

# Initialize an empty list to store the converted numbers
converted_numbers = []

# Iterate over the numbers
for number in numbers:
# Remove leading and trailing whitespace
number = number.strip()

# Check if the number is in hexadecimal format
if number.startswith('0x') or number.startswith('x'):
# Convert the number from hexadecimal to decimal
decimal_number = int(number, 16)
else:
# The number is already in decimal format
decimal_number = int(number)

# Add the converted number to the list
converted_numbers.append(decimal_number)

# Convert the list of numbers into a string, separated by spaces
output_string = ' '.join(str(number) for number in converted_numbers) + ' '

# Return the output string
return output_string

# Test the function
print(convert_numbers('0x10, 15, xA, 20'))
```

This program defines a function `convert_numbers` that takes a string of numbers as input. The numbers can be in decimal or hexadecimal format, and are separated by commas and an arbitrary number of spaces. The function splits the input string into a list of numbers, then iterates over the numbers. If a number is in hexadecimal format, it is converted to decimal. The converted numbers are stored in a list, which is then converted into a string and returned. The output string contains the decimal numbers separated by spaces, and ends with a space.

Question

Here is a Python program that fulfills your requirements:

```python
def convert_numbers(input_string):
    # Split the input string into a list of numbers
    numbers = input_string.split(',')

# Initialize an empty list to store the converted numbers
    converted_numbers = []

# Iterate over the numbers
    for number in numbers:
        # Remove leading and trailing whitespace
        number = number.strip()

# Check if the number is in hexadecimal format
        if number.startswith('0x') or number.startswith('x'):
            # Convert the number from hexadecimal to decimal
            decimal_number = int(number, 16)
        else:
            # The number is already in decimal format
            decimal_number = int(number)

# Add the converted number to the list
        converted_numbers.append(decimal_number)

# Convert the list of numbers into a string, separated by spaces
    output_string = ' '.join(str(number) for number in converted_numbers) + ' '

# Return the output string
    return output_string

# Test the function
print(convert_numbers('0x10, 15, xA, 20'))
```

This program defines a function `convert_numbers` that takes a string of numbers as input. The numbers can be in decimal or hexadecimal format, and are separated by commas and an arbitrary number of spaces. The function splits the input string into a list of numbers, then iterates over the numbers. If a number is in hexadecimal format, it is converted to decimal. The converted numbers are stored in a list, which is then converted into a string and returned. The output string contains the decimal numbers separated by spaces, and ends with a space.

Knowee AI · Accepted Answer

Here is a Python program that fulfills your requirements:

```python
def convert_numbers(input_string):
    # Split the input string into a list of numbers
    numbers = input_string.split(',')

# Initialize an empty list to store the converted numbers
    converted_numbers = []

# Iterate over the numbers
    for number in numbers:
        # Remove leading and trailing whitespace
        number = number.strip()

# Check if the number is in hexadecimal format
        if number.startswith('0x') or number.startswith('x'):
            # Convert the number from hexadecimal to decimal
            decimal_number = int(number, 16)
        else:
            # The number is already in decimal format
            decimal_number = int(number)

# Add the converted number to the list
        converted_numbers.append(decimal_number)

# Convert the list of numbers into a string, separated by spaces
    output_string = ' '.join(str(number) for number in converted_numbers) + ' '

# Return the output string
    return output_string

# Test the function
print(convert_numbers('0x10, 15, xA, 20'))
```

This program defines a function `convert_numbers` that takes a string of numbers as input. The numbers can be in decimal or hexadecimal format, and are separated by commas and an arbitrary number of spaces. The function splits the input string into a list of numbers, then iterates over the numbers. If a number is in hexadecimal format, it is converted to decimal. The converted numbers are stored in a list, which is then converted into a string and returned. The output string contains the decimal numbers separated by spaces, and ends with a space.

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