Add bad pep8 code that'll break the linters

Author: martin-martin

pep8-beautiful-code/README.md

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+# How to Write Beautiful Python Code With PEP 8
+
+This repository contains a code snippets shown in the tutorial on [How to Write Beautiful Python Code With PEP 8](https://realpython.com/python-pep8/).

pep8-beautiful-code/documented_module.py

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+"""This is a docstring."""
+
+# ...

pep8-beautiful-code/mixed_indentation.py

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+def mixed_indentation(greet=True):
+ if greet:
+ print("Hello") # Indented with 4 spaces.
+print("World") # Indented with a tab.
+
+mixed_indentation()

pep8-beautiful-code/quadratic.py

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+def quadratic(a, b, c):
+ """Solve quadratic equation via the quadratic formula.
+
+ A quadratic equation has the following form:
+ ax**2 + bx + c = 0
+
+ There always two solutions to a quadratic equation: x_1 & x_2.
+ """
+ x_1 = (-b + (b**2 - 4 * a * c) ** (1 / 2)) / (2 * a)
+ x_2 = (-b - (b**2 - 4 * a * c) ** (1 / 2)) / (2 * a)
+
+ return x_1, x_2

pep8-beautiful-code/trailing_whitespace.py

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+x = 1 + 2 + \ 
+ 3 + 4
+
+print(x)

pep8-beautiful-code/unfashionable.py

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+import math
+
+numbers = [1,2,\ 
+3,4]
+
+def add_all_numbers_from_collection(
+ number_one, number_two, number_three,
+ number_four):
+ return number_one+number_two + number_three +number_four
+
+print (add_all_numbers_from_collection( *numbers ))

pep8-beautiful-code/variance.py

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+def calculate_variance(number_list):
+ sum_list = 0
+ for number in number_list:
+ sum_list = sum_list + number
+ mean = sum_list / len(number_list)
+
+ sum_squares = 0
+ for number in number_list:
+ sum_squares = sum_squares + number**2
+ mean_squares = sum_squares / len(number_list)
+
+ return mean_squares - mean**2