Một số là ngay cả khi nó hoàn toàn chia hết cho 2. Khi số được chia cho 2, chúng tôi sử dụng toán tử còn lại Enter a number: 43 43 is Odd 1 để tính toán phần còn lại. Nếu phần còn lại không bằng không, số là số lẻ.
Mã nguồn
# Python program to check if the input number is odd or even. # A number is even if division by 2 gives a remainder of 0. # If the remainder is 1, it is an odd number. num = int(input("Enter a number: ")) if (num % 2) == 0: print("{0} is Even".format(num)) else: print("{0} is Odd".format(num))Đầu ra 1
Enter a number: 43 43 is OddĐầu ra 2
Enter a number: 18 18 is EvenTrong chương trình này, chúng tôi yêu cầu người dùng cho đầu vào và kiểm tra xem số này là lẻ hay chẵn. Xin lưu ý rằng Enter a number: 43 43 is Odd 2 là trường thay thế cho Enter a number: 43 43 is Odd 3.
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]3Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]4 Enter a number: 43 43 is Odd 68Enter a number: 43 43 is Odd 5Enter a number: 43 43 is Odd 510, 4, 668Enter a number: 43 43 is Odd 21Enter a number: 43 43 is Odd 43Enter a number: 43 43 is Odd 65
Số lẻ và chẵn:
Nếu bạn chia số cho 2 và nó cho phần còn lại là 0 thì nó được gọi là số chẵn, nếu không thì một số lẻ.
Ví dụ số chẵn: 2, 4, 6, 8, 10, v.v. 2, 4, 6, 8, 10, etc.
Ví dụ số lẻ: 1, 3, 5, 7, 9, v.v.1, 3, 5, 7, 9 etc.
Xem ví dụ này:
Output:
Nhận xét
- Gửi phản hồi của bạn đến [Email & NBSP; được bảo vệ]
Giúp đỡ người khác, xin vui lòng chia sẻ
Enter a number: 18 18 is Even 43Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]4 Enter a number: 18 18 is Even 45Enter a number: 43 43 is Odd 1Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]7Enter a number: 18 18 is Even 80__15Input: list2 = [12, 14, 95, 3] Output: [12, 14]0Input: list2 = [12, 14, 95, 3] Output: [12, 14]1
Example:
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]Input: list2 = [12, 14, 95, 3] Output: [12, 14]Không gian phụ trợ: O (1)Using for loop
Phương pháp: Sử dụng Numpy.Array
Python3
Enter a number: 43 43 is Odd 4Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 6Enter a number: 43 43 is Odd 7Enter a number: 43 43 is Odd 8Enter a number: 43 43 is Odd 9Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 1Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 3__
Enter a number: 18 18 is Even 95 Enter a number: 18 18 is Even 96
Enter a number: 18 18 is Even 97Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 6Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]7Enter a number: 43 43 is Odd 8__
Input: list2 = [12, 14, 95, 3] Output: [12, 14]2Input: list2 = [12, 14, 95, 3] Output: [12, 14]3Input: list2 = [12, 14, 95, 3] Output: [12, 14]4Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]6Input: list2 = [12, 14, 95, 3] Output: [12, 14]7
Output:
10, 4, 66Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]10Enter a number: 43 43 is Odd 5 Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]12Using while loop
Python3
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]13Enter a number: 43 43 is Odd 5 Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]15Enter a number: 43 43 is Odd 1 Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]7 Enter a number: 43 43 is Odd 5Enter a number: 43 43 is Odd 5
Đưa ra một danh sách các số, hãy viết một chương trình Python để in tất cả các số chẵn trong danh sách đã cho.
10, 4, 66610, 4, 66710, 4, 66810, 4, 669
Phương pháp 1: Sử dụng cho vòng lặp
Input: list2 = [12, 14, 95, 3] Output: [12, 14]2Input: list2 = [12, 14, 95, 3] Output: [12, 14]3Even numbers in the list: [10, 4, 66]1Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]6Input: list2 = [12, 14, 95, 3] Output: [12, 14]7
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]3Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]0 ____87515 Even numbers in the list: [10, 4, 66]9
Output:
10, 4, 66Phương pháp 3: Sử dụng danh sách hiểu & nbsp;Using list comprehension
Python3
Enter a number: 43 43 is Odd 4Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 6Enter a number: 43 43 is Odd 7Enter a number: 43 43 is Odd 8Enter a number: 43 43 is Odd 9Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 1Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 3__
Enter a number: 43 43 is Odd 05Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 07Enter a number: 18 18 is Even 9 Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]0Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]1 Enter a number: 43 43 is Odd 4__
Input: list2 = [12, 14, 95, 3] Output: [12, 14]3Enter a number: 43 43 is Odd 21Enter a number: 43 43 is Odd 22Enter a number: 43 43 is Odd 23
Output:
Even numbers in the list: [10, 4, 66]Phương pháp 4: Sử dụng biểu thức Lambda & NBSP;Using lambda expressions
Python3
Enter a number: 43 43 is Odd 4Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 6Enter a number: 43 43 is Odd 7Enter a number: 43 43 is Odd 8Enter a number: 43 43 is Odd 9Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 1Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 3__
Enter a number: 43 43 is Odd 05Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 43__
Input: list2 = [12, 14, 95, 3] Output: [12, 14]3Enter a number: 43 43 is Odd 21Enter a number: 43 43 is Odd 22Enter a number: 43 43 is Odd 23
Đầu ra
Even numbers in the list: [10, 4, 66]Phương pháp 5: Sử dụng đệ quyUsing Recursion
Python3
Enter a number: 43 43 is Odd 59 Enter a number: 43 43 is Odd 60Enter a number: 43 43 is Odd 43Enter a number: 43 43 is Odd 62Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]0Enter a number: 43 43 is Odd 65
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]3Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]4 Enter a number: 43 43 is Odd 68Enter a number: 43 43 is Odd 5Enter a number: 43 43 is Odd 510, 4, 668Enter a number: 43 43 is Odd 21Enter a number: 43 43 is Odd 43Enter a number: 43 43 is Odd 65
Input: list2 = [12, 14, 95, 3] Output: [12, 14]2Enter a number: 43 43 is Odd 76
Các
Input: list2 = [12, 14, 95, 3] Output: [12, 14]2Input: list2 = [12, 14, 95, 3] Output: [12, 14]3Enter a number: 43 43 is Odd 21Enter a number: 43 43 is Odd 43Enter a number: 43 43 is Odd 91Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]6Input: list2 = [12, 14, 95, 3] Output: [12, 14]7
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]3Enter a number: 43 43 is Odd 60Enter a number: 43 43 is Odd 43Enter a number: 43 43 is Odd 62Even numbers in the list: [10, 4, 66]7Even numbers in the list: [10, 4, 66]9Input: list2 = [12, 14, 95, 3] Output: [12, 14]7
Enter a number: 43 43 is Odd 4Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 6Enter a number: 43 43 is Odd 7Enter a number: 43 43 is Odd 8Enter a number: 43 43 is Odd 9Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 1Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 3__
Input: list2 = [12, 14, 95, 3] Output: [12, 14]3Enter a number: 43 43 is Odd 21Enter a number: 18 18 is Even 19Enter a number: 18 18 is Even 20Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]6Input: list2 = [12, 14, 95, 3] Output: [12, 14]7
Enter a number: 18 18 is Even 24
Đầu ra
Even numbers in the list: 10 4 66Phương pháp 5: Sử dụng đệ quy
Python3
Enter a number: 43 43 is Odd 59 Enter a number: 43 43 is Odd 60Enter a number: 43 43 is Odd 43Enter a number: 43 43 is Odd 62Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]0Enter a number: 43 43 is Odd 65
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]3Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]4 Enter a number: 43 43 is Odd 68Enter a number: 43 43 is Odd 5Enter a number: 43 43 is Odd 510, 4, 668Enter a number: 43 43 is Odd 21Enter a number: 43 43 is Odd 43Enter a number: 43 43 is Odd 65
Các
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]3Input: list2 = [12, 14, 95, 3] Output: [12, 14]3Enter a number: 18 18 is Even 54Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]6Input: list2 = [12, 14, 95, 3] Output: [12, 14]7
Enter a number: 43 43 is Odd 4Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 6Enter a number: 43 43 is Odd 7Enter a number: 43 43 is Odd 8Enter a number: 43 43 is Odd 9Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 1Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 3__
Python3
Enter a number: 43 43 is Odd 59 Enter a number: 43 43 is Odd 60Enter a number: 43 43 is Odd 43Enter a number: 43 43 is Odd 62Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]0Enter a number: 43 43 is Odd 65
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]3Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]4 Enter a number: 43 43 is Odd 68Enter a number: 43 43 is Odd 5Enter a number: 43 43 is Odd 510, 4, 668Enter a number: 43 43 is Odd 21Enter a number: 43 43 is Odd 43Enter a number: 43 43 is Odd 65
Các
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]3Enter a number: 18 18 is Even 85
Enter a number: 18 18 is Even 43Enter a number: 18 18 is Even 87Input: list2 = [12, 14, 95, 3] Output: [12, 14]1
Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]3Input: list2 = [12, 14, 95, 3] Output: [12, 14]3Enter a number: 18 18 is Even 54Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]6Input: list2 = [12, 14, 95, 3] Output: [12, 14]7
Enter a number: 43 43 is Odd 4Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 6Enter a number: 43 43 is Odd 7Enter a number: 43 43 is Odd 8Enter a number: 43 43 is Odd 9Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 1Enter a number: 43 43 is Odd 8Enter a number: 18 18 is Even 3__
Phương pháp: Sử dụng chức năng liệt kê & nbsp;
Python3
Enter a number: 43 43 is Odd 4Enter a number: 43 43 is Odd 5 Enter a number: 43 43 is Odd 6Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]7Enter a number: 43 43 is Odd 8__
Enter a number: 18 18 is Even 9 Enter a number: 18 18 is Even 39Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]1 Enter a number: 18 18 is Even 41Enter a number: 18 18 is Even 42
Enter a number: 18 18 is Even 43Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]4 Enter a number: 18 18 is Even 45Enter a number: 43 43 is Odd 1Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]7Enter a number: 43 43 is Odd 5Enter a number: 43 43 is Odd 5Input: list2 = [12, 14, 95, 3] Output: [12, 14]0Input: list2 = [12, 14, 95, 3] Output: [12, 14]1
Phương pháp: Sử dụng Pass & NBSP;
Input: list2 = [12, 14, 95, 3] Output: [12, 14]3Input: list1 = [2, 7, 5, 64, 14] Output: [2, 64, 14]23
Output:
Enter a number: 43 43 is Odd 0