Rotation of the numbers-python

Rotation of the numbers-python

If you're looking to rotate the digits of a number in Python, there are several ways to achieve this depending on your specific needs. Below are a few examples showing how to rotate the digits of a number to the left or right.

Rotate Digits to the Left

Rotating the digits of a number to the left means taking the first digit and moving it to the end.

Example Code

def rotate_left(number): str_num = str(number) rotated_str = str_num[1:] + str_num[0] return int(rotated_str) # Example usage number = 12345 rotated_number = rotate_left(number) print(rotated_number) # Output: 23451

Rotate Digits to the Right

Rotating the digits of a number to the right means taking the last digit and moving it to the front.

Example Code

def rotate_right(number): str_num = str(number) rotated_str = str_num[-1] + str_num[:-1] return int(rotated_str) # Example usage number = 12345 rotated_number = rotate_right(number) print(rotated_number) # Output: 51234

Rotating by N Positions

You can also rotate the digits of a number by n positions to the left or right. Here's how you can do it:

Rotate Left by N Positions

def rotate_left_n(number, n): str_num = str(number) n = n % len(str_num) # Ensure n is within the length of the number rotated_str = str_num[n:] + str_num[:n] return int(rotated_str) # Example usage number = 12345 n = 2 rotated_number = rotate_left_n(number, n) print(rotated_number) # Output: 34512

Rotate Right by N Positions

def rotate_right_n(number, n): str_num = str(number) n = n % len(str_num) # Ensure n is within the length of the number rotated_str = str_num[-n:] + str_num[:-n] return int(rotated_str) # Example usage number = 12345 n = 2 rotated_number = rotate_right_n(number, n) print(rotated_number) # Output: 45123

Explanation

  1. Conversion to String: The number is converted to a string to facilitate easy slicing and concatenation.
  2. Slicing and Concatenation:
    • For left rotation: Slice the string from index n to the end and concatenate it with the substring from the start to index n.
    • For right rotation: Slice the string from index -n to the end and concatenate it with the substring from the start to index -n.
  3. Modulo Operation: The % operator ensures that n is within the length of the string, avoiding unnecessary rotations.
  4. Conversion Back to Integer: The result is converted back to an integer for the final output.

These methods provide a flexible and efficient way to rotate the digits of a number in Python.

Examples

  1. Rotate array elements in Python: This query looks for ways to rotate the elements of an array in Python, shifting each element by a specified number of positions to the left or right.

    def rotate_array(arr, k): return arr[-k:] + arr[:-k]

  2. Circular shift array in Python: This query seeks methods to circularly shift the elements of an array in Python, meaning that elements that fall off the end are re-inserted at the beginning.

    def circular_shift(arr, k): k = k % len(arr) return arr[-k:] + arr[:-k]

  3. Rotate list elements in Python: This query aims to rotate the elements of a list in Python, similar to rotating an array but applied to Python lists.

    def rotate_list(lst, k): return lst[-k:] + lst[:-k]

  4. Implement rotation operation in Python: This query looks for a generic implementation of a rotation operation in Python, applicable to any iterable sequence.

    def rotate(iterable, k): return iterable[-k:] + iterable[:-k]

  5. Python code to rotate elements of a tuple: This query focuses on rotating the elements of a tuple in Python, where tuples are immutable sequences.

    def rotate_tuple(tup, k): return tup[-k:] + tup[:-k]

  6. Rotate string characters in Python: This query is interested in rotating the characters of a string in Python, treating the string as a sequence of characters.

    def rotate_string(s, k): return s[-k:] + s[:-k]

  7. Shift array elements left in Python: This query aims to shift the elements of an array to the left in Python, with the elements that fall off the beginning re-inserted at the end.

    def shift_left(arr, k): k = k % len(arr) return arr[k:] + arr[:k]

  8. Rotate array in-place in Python: This query seeks methods to rotate the elements of an array in-place in Python, without creating a new array.

    def rotate_inplace(arr, k): n = len(arr) k %= n arr[:] = arr[-k:] + arr[:-k]

  9. Circularly rotate list elements in Python: This query looks for ways to circularly rotate the elements of a list in Python, where elements that fall off the end are brought back to the beginning.

    def circular_rotate_list(lst, k): k = k % len(lst) lst[:] = lst[-k:] + lst[:-k]

  10. Python rotate list elements by index: This query is interested in rotating the elements of a list based on their indices in Python, effectively shifting their positions.

    def rotate_by_index(lst, indices): rotated = [None] * len(lst) for i, index in enumerate(indices): rotated[index] = lst[i] return rotated

More Tags

simple-html-dom materialize single-quotes keyboard sticky catplot jdwp outliers cmake nlp

More Programming Questions

More Various Measurements Units Calculators

More Auto Calculators

More Chemical thermodynamics Calculators

More Internet Calculators