문자열

%d %f %s

ex)
'%d %d' % (1,2)
-----------
'1 2'

ex)
'%f' % 3.14
----------
'3.140000'

ex)
'My name is %s' % 'Gil'
----------
'My name is Gil'

format()

---

'My name is {}'.format('Gil')
----------
'My name is Gill'

---

'{} x {} = {}'.format(2, 3, 2*3)
----------
'2 x 3 = 6

---

'{1} x {0} = {2}'.format(2, 3, 2*3)
---------
3 x 2 = 6

---

문자열 인덱싱

my_name = '김길동의 이름'

my_name[3]
my_name[-1]
----------
'의'
'름'

---

슬라이싱 Slicing

my_dic = 'python'
mydic[1:4]
----------
'yth'

---

물자열 메서드 split(자를값)

공백 단위로 잘라준다.

my_name = '김길동의 이름'
my_name.split()
-----------
['김길동의', '이름']

---

in, not in

member = ['홍길동','전우치','짱구']
'전우치' in member
-----------
True

---

member = ['홍길동','전우치','짱구']
'전우치' not in member
----------
False