do not use operator -- and ++

Metadata

ID: python-best-practices/no-double-unary-operator

Language: Python

Severity: Error

Category: Best Practices

Operator -- and ++ do not exists in Python. Increment or decrement the variable appropriately.

--n  # use n = n - 1
++n  # use n = n + 1

n = n + 1
n = n - 1

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rulesets:
  - python-best-practices     # Rules to enforce Python best practices.

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