ahmed4end

origin ="""
S0110
01000
01010
00010
0001E
"""

ahmed4end

def sum_of_squares(n, f=1):
	if n<0:return None
	if n==0:return []
	start = n-1 if f else n
	for j in range(start,0,-1):
		if j**0.5 == int(j**0.5):
			hold = sum_of_squares(n-j, f=0)
			if hold !=None:return hold + [j]

ahmed4end

change = lambda t, r=[], coins={5,3,2,1}: r if t==0 else change(*(lambda g: (t-g, r+[g]))(t-min(t-i for i in coins-{sum(r)+t} if t-i>=0)))
print(change(999))

#better attempt
change = lambda x,y=[]: y if x<=0  else change(*(lambda series: (x-[i for i in series if x>=i][0], y+[[i for i in series if x>=i][0]]))([200, 100, 50, 20, 10, 5, 1]))


#with roman encode method
solution = lambda x,y="": y if x<=0  else solution(*(lambda series: (x-[i for i in series if x>=i][0], y+{1000:"M", 500:"D", 100:"C", 50:"L", 10:"X", 5:"V", 1:"I"}[[i for i in series if x>=i][0]]))([1000, 500, 100, 50, 10, 5, 1]))

ahmed4end

# one-liner 
primes = lambda n: [i for i in range(2, n) if not ["" for j in range(2, i) if i%j==0]]
print(primes(55))


# the previous one-liner code after unpacking .
def primes(n):
	all_primes = []
	for i in range(2, n):

ahmed4end

#python - how to replace multiple characters and words in a string using regex.
import re

text = "hello ,world!"

replaces = {"hello": "hi", "world":" 2020", "!":"."}

regex = re.sub("|".join(replaces.keys()), lambda match: replaces[match.string[match.start():match.end()]], text)

print(regex)

ahmed4end

from contextlib import contextmanager
from timeit import default_timer
import time
@contextmanager
def elapsed_timer():
    start = default_timer()
    elapser = lambda: default_timer() - start
    yield lambda: elapser()
    end = default_timer()
    elapser = lambda: end-start

ahmed4end

arr = [[-1,1,-7,-8],[-10,-8,-5,-2],[0,9,7,-1],[4,4,-2,1]]
print((lambda n: (lambda x1, x2, y: abs(sum([x1[i] for i in range(0, len(x1), y+1)])- sum([x2[i] for i in range(0, len(x2), y+1)])))(x1=[j for i in n for j in i], x2=[j for i in n for j in i[::-1]], y=len(n[0])))(arr))
        

ahmed4end

def text_wrap(text, font, max_width):
        """Wrap text base on specified width. 
        This is to enable text of width more than the image width to be display
        nicely.

        @params:
            text: str
                text to wrap
            font: obj
                font of the text

ahmed4end

import sys
import inspect
import textwrap
from collections import OrderedDict, UserString
from PyQt5 import QtCore, QtGui
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import *

ahmed4end

feb = lambda n, t=[0, 1]: t if len(t)==n else feb(n, t+[sum(t[-2:])])

print(feb(100))