[Python] 문자열 - String

data = 'Hello World'
print(data)
#Hello World

data = "Don't you know \"Python\"?"
print(data)
#Don't you know "Python"?

a = "Hello"
b = "World"
print(a + " " + b)
#Hello World

a = "String"
print(a * 3)
#StringStringString

a = "ABCDEF"
print(a[2:4])
#CD

a[2] = 'a'
print(a)
#Python string is immutable