funny_python.py

"""
=========================================
🐍 Python Funny & Weird Tricks Collection
=========================================

A collection of cursed, funny, and surprising Python behaviors.

Made for GitHub 😈
"""

print("\n==============================")
print("1. THE ZEN OF PYTHON")
print("==============================")

import this

print("\n==============================")
print("2. HELLO SECRET MODULE")
print("==============================")

import __hello__


print("\n==============================")
print("3. STRING MULTIPLICATION")
print("==============================")

print("LOL " * 5)


print("\n==============================")
print("4. WEIRD COMPARISONS")
print("==============================")

print("1 < 2 < 3  ->", 1 < 2 < 3)
print("1 < 2 > 3  ->", 1 < 2 > 3)

print("\nActually Python checks:")
print("(1 < 2) and (2 > 3)")


print("\n==============================")
print("5. TUPLE CONFUSION")
print("==============================")

a = (1)
b = (1,)

print("(1) type   ->", type(a))
print("(1,) type  ->", type(b))


print("\n==============================")
print("6. BOOLEAN MATH")
print("==============================")

print("True + True =", True + True)
print("True * 10   =", True * 10)
print("False + 5   =", False + 5)

print("\nBecause:")
print("True == 1")
print("False == 0")


print("\n==============================")
print("7. LIST MULTIPLICATION CURSE")
print("==============================")

a = [[]] * 3

print("Before:", a)

a[0].append(1)

print("After :", a)

print("\nWHY DID ALL LISTS CHANGE?! 😭")


print("\n==============================")
print("8. MUTABLE DEFAULT ARGUMENT")
print("==============================")

def add_item(item, my_list=[]):
    my_list.append(item)
    return my_list

print(add_item(1))
print(add_item(2))
print(add_item(3))

print("\nSame list reused every function call 😈")


print("\n==============================")
print("9. FLOATING POINT PAIN")
print("==============================")

print("0.1 + 0.2 =", 0.1 + 0.2)

print("\nExpected: 0.3")
print("Reality  :", 0.1 + 0.2)


print("\n==============================")
print("10. NaN IS WEIRD")
print("==============================")

x = float("nan")

print("x == x ->", x == x)

print("\nNaN is NOT equal to itself 🤯")


print("\n==============================")
print("11. EMPTY LIST IS FALSE")
print("==============================")

if []:
    print("This runs")
else:
    print("Empty list is False")


print("\n==============================")
print("12. PYTHON SWAP MAGIC")
print("==============================")

a = 5
b = 10

print("Before swap:", a, b)

a, b = b, a

print("After swap :", a, b)

print("\nNo temporary variable needed 😎")


print("\n==============================")
print("13. EVERYTHING IS OBJECT")
print("==============================")

print(type(10))
print(type("hello"))
print(type(print))

print("\nEven functions are objects 👀")


print("\n==============================")
print("14. INFINITE LOOP (DON'T RUN)")
print("==============================")

print("""
while True:
    print("help")
""")


print("\n==============================")
print("15. BRACES ARE NOT WELCOME")
print("==============================")

print("""
from __future__ import braces
# SyntaxError: not a chance
""")


print("\n==============================")
print("16. SET REMOVES DUPLICATES")
print("==============================")

nums = [1, 1, 1, 2, 2, 3]

print("Original :", nums)
print("Unique   :", list(set(nums)))


print("\n==============================")
print("17. SAME MEMORY REFERENCE")
print("==============================")

x = y = [1, 2, 3]

y.append(4)

print("x =", x)
print("y =", y)

print("\nBoth variables point to SAME list 😭")


print("\n==============================")
print("18. PRINTING WITHOUT print()")
print("==============================")

import sys

sys.stdout.write("Hello from sys.stdout.write\\n")


print("\n==============================")
print("19. GOODBYE")
print("==============================")

print("Python is beautiful...")
print("Python is cursed...")
print("Python is both 😌🐍")