rahulkp220

import math
class A(object):
   cursur = 0.0
   def __init__(self,x,y):
       self.x = x
       self.y = y
   def move_forward(self,x,y):
       x+=1
       y+=1
       A.cursur += math.sqrt(x**2 + y**2)

rahulkp220

def example_function(arg1,arg2,arg3,*args):
 print “arg1 is {0}”.format(arg1)
 print “arg2 is {0}”.format(arg2)
 print “arg3 is {0}”.format(arg3)
 print “*arg is {0}”.format(args)

>>> example_function(1,2,3,4,5,6,7,8,9,10)
arg1 is 1
arg2 is 2
arg3 is 3

rahulkp220

def sample(a,*args,**kwargs):
  print “a is {}”.format(a)
  print “*args is a tuple {}”.format(args)
  print “**kwargs is a dictionary {}”.format(kwargs)

>>> sample(1,2,3,4,name=”rahul”,age=26)
a is 1
*args is a tuple (2, 3, 4)
**kwargs is a dictionary {‘age’: 26, ‘name’: ‘rahul’}

rahulkp220

#Its in python 3

def LinearSearch(my_item,my_list):
	found = False
	position = 0
	while position < len(my_list) and not found:
		if my_list[position] == my_item:
			found = True
		position += 1
	return found

rahulkp220

def BinarySearch(my_item,my_list):
	found = False
	bottom = 0
	top = len(my_list)-1
	while bottom<=top and not found:
		middle = (bottom+top)//2
		if my_list[middle] == my_item:
			found = True
		elif my_list[middle] < my_item:
			bottom = middle + 1

rahulkp220

class mimic_range:
   def __init__(self,maximum):
      self.maximum = maximum
   
   def __iter__(self):
      self.current = 0
      return self
      
   def next(self):
      num = self.current

rahulkp220

def double(function):
	def wrapper(*args,**kwargs):
		return 2 * function(*args,**kwargs)
	return wrapper

@double
def adder(x,y):
	return x + y

print adder(1,3)

rahulkp220

def multiply(by = None):
	def multiply_real_decorator(function):
		def wrapper(*args,**kwargs):
			return by * function(*args,**kwargs)
		return wrapper
	return multiply_real_decorator

@multiply(by = 3)
def adder(a,b):
	return a + b

rahulkp220

def duplicate(function):
	def wrapper(*args,**kwargs):
			return 2*function(*args,**kwargs)
	return wrapper


def formatting(lowerscase = False):
	def formatting_real(function):
		def wrapper(*args, **kwargs):
			if lowerscase:

rahulkp220

""" while reading about yield keyword, I got curious about the difference between a yield and a yield from keywords.
    Here is a brief differentiation that I have shown.
"""
#a normal yield inside a function that takes a list as an input
def a_func(my_list):
  yield my_list
  
#using yield from keyword on a similar function
def b_func(my_list):
  yield from my_list