PYTHON

FILE DRIVE: LINK

Data type and Library:

• string :str
• integer :int
• float :float
• boolean :bool - true - false
• pip install pygame
• boolean :bool - true - false

• unsupported: ko ho tro
• operand :cac toan tu + - * /
• concactenate: noi hai cai lai voi nhau
• prompt: muon nguoi khac, nguoi dung nhap vao cai gi
• constant variable: bien ko doi duoc// luon luon viet hoa
• naming convention: quy dinh dat ten
• fraction: phan so
• numerator: tu so
• denominator: mau so
• devide: chia
• # comment--
• two string can concatenation by plus
• input function always returns value string must cast if you want to return another data type // phải ép kiểu nếu muốn trả về kiểu dữ liệu khác
• cast integer
  a = input()
  a = int(a) // overwrite - viet de
• lam tron so float use function EX: hight = round(number,lam tron den phan thap phan so may)
• string format:
  EX: print("you are " + str(age) + " years old in " + str(CURRENT_YEAR))
  --> print("you are {0} years old in {1}".format(age,CURRENT_YEAR))
• print("\n"): xuong dong: new line character
• print("your fistname: ")
  firstname = intput() // string
  ----> firstname = intput("your fistname: ")
• BOOLEAN has 3 keywork - True,False,None
• for loop:
  for i in range(0,5):
  print(i)
  range(0,5) --> 0,1,2,3,4 == range(5) : tu 0 den so do
  range(0,5,2) --> 0,2,4
  range(0,6,2) -->0,2,4 (because from 0 to 5)
• continue: bỏ qua vòng lặp hiện tại
  break: bỏ qua tất cả vòng lặp phía sau, hủy luôn nó
• * print the same line in for loop
  ex: for i in range(10):
  print("very", end=" ")
  or not in for loop: same as
• using while de nhap den khi dung:
  ex:
  while True:
  gioitinh = input("Are you male(yes/no): ")
  if (gioitinh = "yes" or giotinh = "no"):
  break
  use list
  answers_list = ["yes","no","y","n"]
  while True:
  gioitinh = input("Are you male(yes/no): ")
  if (gioitinh in answers_list):
  break
• len(list):do dai cac phan tu cua list