Study Note for individual project
-----Python Note------ ‘’ “” string “ I’m a dog “
print(mystring[0]), [-1]=g, [4: ] =efg [::2] step size = a,c,e x= “Item One: {x} Item Two: {y}”.format(x=“dong”,y=“cat”) my list = [‘a’,’b’,’c’] list define .append = add value at the end of array my_stuff = {“key1”:123, ‘key2’:’value2’}
tuple = 길이가있는 t = (1,2,3) - immutable(unchangeable) print(t[0]) x=set() x.add(1) x.add(2) print(x) -> {1,2} sort 되잇음, duplicate안됨
if 1<2: for item in seq: my pairs = [(1,2),(3,4),(5,6)] for(tup1,tup2) in my pairs: out = [num**2 for num in x]
def my_func(param1=‘default’): -> function evens = filter(bool,mylist) -> return true list print list(evens)
lambda num:num%2 == 0
function안에 function 프린트는 안됨 class Dog(): def init(self, breed): self.breed = breed def whoAmI(self): print my dog = Dog(breed = “Lab”) print(mydog.breed) self-refer to instance object breed-argument(initialization)
mya = Dog() mya.whoAmI()
def init(self, title,author,pages): self.title = title self.author = author self.pages = pages
def str(self): return “Title: {}, Author: {}, pages{}”.format(self.title,self.author,self.pages)
def len(self): return self.pages
def del(self): pirnt(“Deleted”)
b=Book(“python”,”jose”,200)
print(b) print(len(b)) del b