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Added decimal_to_binary_recursion.py [Hacktoberfest] #3266

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Merged
merged 8 commits into from
Oct 14, 2020
Merged

Added decimal_to_binary_recursion.py [Hacktoberfest] #3266

merged 8 commits into from
Oct 14, 2020

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cybov
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@cybov cybov commented Oct 13, 2020

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}.

@cybov cybov requested a review from cclauss as a code owner October 13, 2020 19:46
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Travis tests have failed

Hey @cybov,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

TravisBuddy Request Identifier: 24876d50-0d97-11eb-9111-f326d0cb7f09

Traceback (most recent call last):
...
TypeError: unsupported operand type(s) for //: 'str' and 'int'
"""
# Initialize exit base of the recursion function
if decimal == 1 or decimal == 0:
return str(decimal)
return bin_recursive(decimal // 2) + str(decimal % 2)
result = binary_recursive(decimal // 2) + str(decimal % 2)
return str(result)
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I am not a fan of this change. Creating a variable that has a lifetime of just two lines is not helpful unless it shortens a very long line or the variable name documents something that is not obvious. result in this context does neither. binary_recursive() is documented as returning a str so it is OK to add a str to it.

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Travis tests have failed

Hey @cybov,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

TravisBuddy Request Identifier: 7f16bf20-0e03-11eb-964d-5d54b4986782

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Travis tests have failed

Hey @cybov,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

TravisBuddy Request Identifier: d23de870-0e05-11eb-964d-5d54b4986782

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Travis tests have failed

Hey @cybov,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

TravisBuddy Request Identifier: cc642580-0e06-11eb-964d-5d54b4986782

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Nice! Please see the modifications that I made.

@cclauss cclauss merged commit 5fcd250 into TheAlgorithms:master Oct 14, 2020
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cybov commented Oct 15, 2020

Nice modifications. How do i add the Hacktoberfest label sir?

@cybov cybov changed the title Added decimal_to_binary_recursion.py Added decimal_to_binary_recursion.py [Hacktoberfest] Oct 18, 2020
stokhos pushed a commit to stokhos/Python that referenced this pull request Jan 3, 2021
* Added decimal_to_binary_recursion.py

* Added decimal_to_binary_recursion.py

* Made changes to docstring

* Use divmod()

* binary_recursive(div) + str(mod)

* Be kind with user input if possible

* Update decimal_to_binary_recursion.py

* ValueError: invalid literal for int() with base 10: 'number'

Co-authored-by: Christian Clauss <cclauss@me.com>
Panquesito7 pushed a commit to Panquesito7/Python that referenced this pull request May 13, 2021
* Added decimal_to_binary_recursion.py

* Added decimal_to_binary_recursion.py

* Made changes to docstring

* Use divmod()

* binary_recursive(div) + str(mod)

* Be kind with user input if possible

* Update decimal_to_binary_recursion.py

* ValueError: invalid literal for int() with base 10: 'number'

Co-authored-by: Christian Clauss <cclauss@me.com>
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3 participants