Một hàm có thể nhận nhiều đối số, các đối số này có thể là đối tượng, biến (cùng hoặc khác kiểu dữ liệu) và hàm. Hàm Python là đối tượng hạng nhất. Trong ví dụ bên dưới, một hàm được gán cho một biến. Bài tập này không gọi hàm. Nó lấy đối tượng hàm được tham chiếu bởi hét và tạo một tên thứ hai trỏ tới nó, hét
# Python program to illustrate functions
# can be treated as objects
def shout(text):
return HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 0
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 2HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 3_______0_______4HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 5
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 7HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 8 HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 9
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 2Hello, this is before function execution This is inside the function !! This is after function execution 2HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 4HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 5
đầu ra
HELLO HELLOHàm bậc cao hơn
Vì hàm là đối tượng nên chúng ta có thể chuyển chúng làm đối số cho các hàm khác. Các hàm có thể nhận các hàm khác làm đối số còn được gọi là hàm bậc cao. Trong ví dụ bên dưới, một hàm hello được tạo lấy một hàm làm đối số
# Python program to illustrate functions
Hello, this is before function execution This is inside the function !! This is after function execution 6
def shout(text):
return HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 0
square of 2 is :4 The cube of 4 is 64 2
def square of 2 is :4 The cube of 4 is 64 4
return square of 2 is :4 The cube of 4 is 64 7
square of 2 is :4 The cube of 4 is 64 2
def # Python program to illustrate functions 0
# Python program to illustrate functions 2
# Python program to illustrate functions 4_______0_______8 # Python program to illustrate functions 6# Python program to illustrate functions 7# Python program to illustrate functions 8
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 2# can be treated as objects 1
square of 2 is :4 The cube of 4 is 64 2
# can be treated as objects 3
# can be treated as objects 4
đầu ra
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument.chức năng bao bọc
Hàm trình bao bọc hoặc trình trang trí cho phép chúng ta bao bọc một hàm khác để mở rộng hành vi của hàm được bao bọc mà không sửa đổi vĩnh viễn nó. Trong Decorators, các hàm được lấy làm đối số cho một hàm khác và sau đó được gọi bên trong hàm bao bọc. Để biết thêm về trang trí bấm vào đây
Dưới đây là ví dụ về một trang trí đơn giản
# can be treated as objects 5
def # can be treated as objects 7
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
def0
def2
def3
def5
def7
def shout(text): 0
shout(text): 1_______0_______2shout(text): 3shout(text): 4# Python program to illustrate functions 8
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
shout(text): 1_______91_______8
shout(text): 1_______92_______0
shout(text): 1_______92_______2
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
shout(text): 1_______0_______2shout(text): 3 7# Python program to illustrate functions 8
9
return return2
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
return5
def return7
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 2____91_______3HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 01# Python program to illustrate functions 8
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 05
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 06
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 07HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 8 HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 09
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 1
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 12
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 13
đầu ra
Hello, this is before function execution This is inside the function !! This is after function executionHàm bao bọc Lambda
Trong Python, hàm ẩn danh có nghĩa là một hàm không có tên. Như chúng ta đã biết rằng từ khóa def được sử dụng để xác định các hàm thông thường và từ khóa HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 15 được sử dụng để tạo các hàm ẩn danh. Hàm này có thể có bất kỳ số lượng đối số nào nhưng chỉ có một biểu thức, được đánh giá và trả về. Hàm lambda cũng có thể có một hàm khác làm đối số. Ví dụ dưới đây cho thấy một hàm lambda cơ bản trong đó một hàm lambda khác được truyền dưới dạng đối số
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 16
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 17_______0_______8 HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 15 HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 20HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 21 HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 22
square of 2 is :4 The cube of 4 is 64 2
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 16
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 25
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 26_______0_______8 HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 15 HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 29HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 21HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 21HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 32
square of 2 is :4 The cube of 4 is 64 2
square of 2 is :4 The cube of 4 is 64 2
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 2shout(text): 3HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 37HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 38HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 39HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 40HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 41HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 42
HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 2shout(text): 3HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 45HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 38HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 39HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 40HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 41HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 50HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 38HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 52 HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 38HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 39HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 55HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 41HI, I AM CREATED BY A FUNCTION PASSED AS AN ARGUMENT. hi, i am created by a function passed as an argument. 57