2019-12-28

a = 10
print(a)

a = 10
b = 20
print(a,b)

a, b = 10, 20
print(a+b)

print('Hello')
print('World')

type(2**31)

d = 3 + 2j
type(d)
d = 1j
print(d**2)

name = "Jinkyoung"
address = '서울시 강남구 '
print(name, address)

print("Hello\nWorld")

print("Python"[0])

print('0123456789'[::3])

print('0123456789'[9::-2])

a = True
print(type(a))

if None:
    print(True)
else:
    print(False)
    
if 0:
    print(true)
else:
    print(False)
    
if b:
    print(True)
    
print(bool(0))    
print(bool(10))

print(type(120))
print(type(2147483648))

print(type(3.141592))

print(type('hello'))
print(type(True))
print(int(3.14))
print(int(3.6))
print(int(True))
print(float(100))

print(str(True))
print(bool(0), bool(0.0))
print(bool('hello'))

print(8+3)
print(8/3)
print(8*3)

print(8**3)

print('' or False or 0 or None)
print(not True)
print(not 'Hello')
print(not None)
print(3 == 3)
print( 3 != 3)
print('Hello' > 'World')
print('a' > 'A')

print(True > False)
print(bin(11), bin(6))

print(isinstance(10, int))
print(isinstance(3.5, float))

temp = 'python is easy'
print(temp)

print(len('python is easy'))
a='python'
b='is easy'
print(a + b)

temp = 'python is easy'
print(temp[3])

print(temp[6:])
print("helloworld".find('w'))

print("helloworld".upper())
print("HellloWorld".lower())

print("hellowolrd".find('o'))

print('korea')

print('ko"r"ea')

numbers = [1,2,3,4,5]
print(numbers)
print(range(10))
print(len(numbers))
print(min(numbers))
print(max(numbers))

numbers.append(10)
print(numbers)

numbers = [1,2,3,4,5]
numbers.extend([10,20,30,40,50])
print(numbers)
numbers = [1,3,5,7,9]
print(numbers.index(5))

print(numbers[:4])
print(numbers[::2])
print(numbers.pop)