#__init__ # internal system variable
#__init # class internal variable
#Person # class type
#Apple - class
#apples - group of apple
#apple - single
x = 1 + 1
x = 2
y = 2
print(id(x),id(y))
names = ["john", 1, [1,2,3], "ryan", ["david",1,2] ,[1,"peter", [4,5], [6,7]]]
print(names[5][3][0])
print(names[3][0])
head = 3
man = {head : 'big',
3 : 2,
"body" : 1.5,
"leg" : 'long' }
man['face'] = 'round'
print(man)
del man['body']
print(man)
man ["face"] = [{'eyes' : 2}, 'nose', {'ears' : 2}]
print(man["face"][2]["ears"])
print("Hello \nWorld")
for key, value in man["face"][0].items():
print(key)
