Pythonic Code

Pythonic-Code.py

# unpacking
point1 = [0, 0]
point2 = [2, 4]

x1, y1 = point1 # x1 = 0, y1 = 0
x2, y2 = point2 # x2 = 2, y2 = 4

slope = (y2 - y1) / (x2 - x1)
print(slope) # Output: 2.0

# Loop Unpacking
points = [[0, 0], [2, 4], [3, 6], [5, 10]]

for x, y in points:
    print(f"x: {x}, y: {y}")

# Enumerate

# without
nums = [2, 7, 9, 2]

for i in range(len(nums)):
    n = nums[i]
    print(i, n)
    
# with
nums = [2, 7, 9, 2]

for i, n in enumerate(nums):
    print(i, n)

# Zip

names = ['Alice', 'Bob', 'Charlie', 'David']
scores = [90, 85, 88, 92]

for name, score in zip(names, scores):
    print(f"{name} scored {score}")

# Inequality
# Regular way:
x = 5

if 0 < x and x < 10:
    print('x is between 0 and 10')

# is equivalent to:

x = 5

if 0 < x < 10:
    print('x is between 0 and 10')

# Min Max Shortcut
transactions = -2

if transactions < 0:
    transactions = 0
#into:
transactions = -2

transactions = max(0, transactions)

transactions = 101

# This will ensure transactions is never greater than 100
if transactions > 100:
    transactions = 100

# This is equivalent to the above code
transactions = min(100, transactions)

# reverse sort
elements = [5, 3, 6, 2, 1]
elements.sort(key=None, reverse=True)
elements.reverse()

def get_word_length(word: str) -> int:
    return len(word)

words = ["apple", "banana", "kiwi", "pear", "watermelon", "blueberry", "cherry"]
words.sort(key=get_word_length)
print(words) # ['kiwi', 'pear', 'apple', 'banana', 'cherry', 'blueberry', 'watermelon']

words = ["apple", "banana", "kiwi", "pear", "watermelon", "blueberry", "cherry"]
words.sort(key=lambda word: len(word))

words = ["kiwi", "pear", "apple", "banana", "cherry", "blueberry"]

sorted_words = sorted(words)