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samyakpagariya
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This program mainly does is it reverse the linked list given to us with the time complexity of O(n) and Space complexity of O(n).

Describe your change:

  • Add an algorithm?
  • Fix a bug or typo in an existing algorithm?
  • Documentation change?

Checklist:

  • I have read CONTRIBUTING.md.
  • This pull request is all my own work -- I have not plagiarized.
  • I know that pull requests will not be merged if they fail the automated tests.
  • This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
  • All new Python files are placed inside an existing directory.
  • All filenames are in all lowercase characters with no spaces or dashes.
  • All functions and variable names follow Python naming conventions.
  • All function parameters and return values are annotated with Python type hints.
  • All functions have doctests that pass the automated testing.
  • All new algorithms have a URL in its comments that points to Wikipedia or other similar explanation.
  • If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

This program mainly does is it reverse the linked list given to us with the time complexity of O(n) and Space complexity of O(n).
@algorithms-keeper algorithms-keeper bot added awaiting reviews This PR is ready to be reviewed require tests Tests [doctest/unittest/pytest] are required require type hints https://docs.python.org/3/library/typing.html labels Oct 3, 2022
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class Node:

# Constructor to initialize the node object
def __init__(self, data):

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Please provide return type hint for the function: __init__. If the function does not return a value, please provide the type hint as: def function() -> None:

Please provide type hint for the parameter: data

class LinkedList:

# Function to initialize head
def __init__(self):

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Please provide return type hint for the function: __init__. If the function does not return a value, please provide the type hint as: def function() -> None:

self.head = None

# Function to reverse the linked list
def reverse(self):

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Please provide return type hint for the function: reverse. If the function does not return a value, please provide the type hint as: def function() -> None:

As there is no test file in this pull request nor any test function or class in the file RevrseLinkedList.py, please provide doctest for the function reverse

self.head = prev

# Function to insert a new node at the beginning
def push(self, new_data):

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Please provide return type hint for the function: push. If the function does not return a value, please provide the type hint as: def function() -> None:

As there is no test file in this pull request nor any test function or class in the file RevrseLinkedList.py, please provide doctest for the function push

Please provide type hint for the parameter: new_data

self.head = new_node

# Utility function to print the LinkedList
def printList(self):

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Please provide return type hint for the function: printList. If the function does not return a value, please provide the type hint as: def function() -> None:

Variable and function names should follow the snake_case naming convention. Please update the following name accordingly: printList

As there is no test file in this pull request nor any test function or class in the file RevrseLinkedList.py, please provide doctest for the function printList



# Driver program to test above functions
def main():

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Please provide return type hint for the function: main. If the function does not return a value, please provide the type hint as: def function() -> None:

As there is no test file in this pull request nor any test function or class in the file RevrseLinkedList.py, please provide doctest for the function main

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Click here to look at the relevant links ⬇️

🔗 Relevant Links

Repository:

Python:

Automated review generated by algorithms-keeper. If there's any problem regarding this review, please open an issue about it.

algorithms-keeper commands and options

algorithms-keeper actions can be triggered by commenting on this PR:

  • @algorithms-keeper review to trigger the checks for only added pull request files
  • @algorithms-keeper review-all to trigger the checks for all the pull request files, including the modified files. As we cannot post review comments on lines not part of the diff, this command will post all the messages in one comment.

NOTE: Commands are in beta and so this feature is restricted only to a member or owner of the organization.

class Node:

# Constructor to initialize the node object
def __init__(self, data):

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Please provide return type hint for the function: __init__. If the function does not return a value, please provide the type hint as: def function() -> None:

Please provide type hint for the parameter: data

class LinkedList:

# Function to initialize head
def __init__(self):

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Please provide return type hint for the function: __init__. If the function does not return a value, please provide the type hint as: def function() -> None:

self.head = None

# Function to reverse the linked list
def reverse(self):

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The reason will be displayed to describe this comment to others. Learn more.

Please provide return type hint for the function: reverse. If the function does not return a value, please provide the type hint as: def function() -> None:

As there is no test file in this pull request nor any test function or class in the file RevrseLinkedList.py, please provide doctest for the function reverse

self.head = prev

# Function to insert a new node at the beginning
def push(self, new_data):

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Please provide return type hint for the function: push. If the function does not return a value, please provide the type hint as: def function() -> None:

As there is no test file in this pull request nor any test function or class in the file RevrseLinkedList.py, please provide doctest for the function push

Please provide type hint for the parameter: new_data

self.head = new_node

# Utility function to print the LinkedList
def printList(self):

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Please provide return type hint for the function: printList. If the function does not return a value, please provide the type hint as: def function() -> None:

Variable and function names should follow the snake_case naming convention. Please update the following name accordingly: printList

As there is no test file in this pull request nor any test function or class in the file RevrseLinkedList.py, please provide doctest for the function printList



# Driver program to test above functions
def main():

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The reason will be displayed to describe this comment to others. Learn more.

Please provide return type hint for the function: main. If the function does not return a value, please provide the type hint as: def function() -> None:

As there is no test file in this pull request nor any test function or class in the file RevrseLinkedList.py, please provide doctest for the function main

@algorithms-keeper algorithms-keeper bot added the tests are failing Do not merge until tests pass label Oct 3, 2022
@algorithms-keeper algorithms-keeper bot mentioned this pull request Oct 3, 2022
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