#!/usr/bin/python3

def main():
	#Immutable scalars
	a=3
	b=4.5
	c=2+10j
	d=True
	e="Hello"
	print("Resaults=",a,",",b)
	print("Real=",c.real)
	print("Imag=",c.imag)
	print("Type=",type(a),"Id=",id(a))
	a=4
	print("Id=",id(a))
	a=5,7
	print("Id=",id(a))
	#Format
	print("Resualts={},{}".format(a,b))
	print(f'Resaults={a},{b}')
	print("Resaults="+str(a)+","+str(b))
	a=2
	#a++ den ginetai
	#++a episis den ginetai giati den exei to sumbolo "="
	#a+=1
	for i in range(1,10,1):
		print (i, end=",") #to teleiwma ths den tha einai allagi grammis alla to komma 
	print("") #tobazoume gia na alla3oume grammi
	i=1 	
	while i<10:
		print (i,end=",")
		i+=1
	print("")
	while True:
		if i>=10:
			break
		print (i, end=",")
		i+=1
	k=None
	if(k):
		print ("k exists")
	else:
		print ("No k")
		exit(1)		
	if (k==None):
		print ("tipota")
	else:
		print (type(k))	
						
if __name__=="__main__":
	main()