Hướng dẫn how do you pass a hex value in python? - làm thế nào để bạn chuyển một giá trị hex trong python?

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Đọc function is one of the built-in functions in Python3, which is used to convert an integer number into it’s corresponding hexadecimal form.

Bàn luận 

hex(x) 
Parameters : 
x - an integer number (int object)
Returns :  Returns hexadecimal string.

Chức năng hex () là một trong những hàm tích hợp trong python3, được sử dụng để chuyển đổi số nguyên thành dạng hexadecimal tương ứng.

TypeError :  Returns TypeError when anything other than
             integer type constants are passed as parameters.

Cú pháp: & nbsp;
Code #1 : Illustrates use of hex() function. 

Python3

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Lỗi và ngoại lệ: & nbsp;

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

import smbus
import time
from sys import argv

bus = smbus.SMBus(1)
if sys.argv[1].startswith("0x"): # base 16
    addr = int(argv[1][2:],16)
    cmd = int(argv[2][2:],16)
else: # base 10
    addr = int(argv[1])
    cmd = int(argv[2])
print [addr,cmd] # you should see no quotes indicating that these are indeed ints now                          
bus.write_byte(addr,cmd)

& nbsp; & nbsp; mã số 1: Minh họa việc sử dụng hàm hex (). & nbsp;

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

import smbus
import time
from sys import argv

bus = smbus.SMBus(1)
if sys.argv[1].startswith("0x"): # base 16
    addr = int(argv[1][2:],16)
    cmd = int(argv[2][2:],16)
else: # base 10
    addr = int(argv[1])
    cmd = int(argv[2])
print [addr,cmd] # you should see no quotes indicating that these are indeed ints now                          
bus.write_byte(addr,cmd)

import smbus
import time
from sys import argv

bus = smbus.SMBus(1)
if sys.argv[1].startswith("0x"): # base 16
    addr = int(argv[1][2:],16)
    cmd = int(argv[2][2:],16)
else: # base 10
    addr = int(argv[1])
    cmd = int(argv[2])
print [addr,cmd] # you should see no quotes indicating that these are indeed ints now                          
bus.write_byte(addr,cmd)

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Đầu ra: & nbsp; 

The hexadecimal form of 23 is 0x17
The hexadecimal form of the ascii value os 'a' is 0x61
The hexadecimal form of 3.9 is 0x1.f333333333333p+1

Biến thể đầu vào a) Demonstrate TypeError when floating point values are passed as parameter. 

Python3

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

TypeError :  Returns TypeError when anything other than
             integer type constants are passed as parameters.

Biến thể đầu vào b)

Đầu ra: & nbsp; 

Traceback (most recent call last):
  File "/home/7e1ac7e34362fd690cdb72cf294502e1.py", line 2, in 
    print("The hexadecimal form of 11.1 is "+hex(11.1))
TypeError: 'float' object cannot be interpreted as an integer

Biến thể đầu vào a)
Applications : 
hex() is used in all the standard conversions. For example conversion of hexadecimal to decimal, hexadecimal to octal, hexadecimal to binary.
 

Biến thể đầu vào b) 

Python3

Làm thế nào để bạn gán một giá trị hex cho một biến trong Python?

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Traceback (most recent call last):
  File "/home/7e1ac7e34362fd690cdb72cf294502e1.py", line 2, in 
    print("The hexadecimal form of 11.1 is "+hex(11.1))
TypeError: 'float' object cannot be interpreted as an integer

Traceback (most recent call last):
  File "/home/7e1ac7e34362fd690cdb72cf294502e1.py", line 2, in 
    print("The hexadecimal form of 11.1 is "+hex(11.1))
TypeError: 'float' object cannot be interpreted as an integer

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Traceback (most recent call last):
  File "/home/7e1ac7e34362fd690cdb72cf294502e1.py", line 2, in 
    print("The hexadecimal form of 11.1 is "+hex(11.1))
TypeError: 'float' object cannot be interpreted as an integer

Traceback (most recent call last):
  File "/home/7e1ac7e34362fd690cdb72cf294502e1.py", line 2, in 
    print("The hexadecimal form of 11.1 is "+hex(11.1))
TypeError: 'float' object cannot be interpreted as an integer

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Enter a number with base 10
123
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123 is 7b

Traceback (most recent call last):
  File "/home/7e1ac7e34362fd690cdb72cf294502e1.py", line 2, in 
    print("The hexadecimal form of 11.1 is "+hex(11.1))
TypeError: 'float' object cannot be interpreted as an integer

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Enter a number with base 10
123
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123 is 7b

Traceback (most recent call last):
  File "/home/7e1ac7e34362fd690cdb72cf294502e1.py", line 2, in 
    print("The hexadecimal form of 11.1 is "+hex(11.1))
TypeError: 'float' object cannot be interpreted as an integer

Enter a number with base 10
123
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123 is 7b

The hexadecimal form of 23 is 0x17
The hexadecimal form of the ascii value os 'a' is 0x61
The hexadecimal form of 3.9 is 0x1.f333333333333p+1

The hexadecimal form of 23 is 0x17
The hexadecimal form of the ascii value os 'a' is 0x61
The hexadecimal form of 3.9 is 0x1.f333333333333p+1

Enter a number with base 10
123
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123 is 7b

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

Enter a number with base 10
123
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123 is 7b

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

hex(x) 
Parameters : 
x - an integer number (int object)
Returns :  Returns hexadecimal string.

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

python progam.py 0x09 0x19
python program.py 9 25

$ python my_script.py 9 253$ python my_script.py 9 254

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

Enter a number with base 10
123
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123 is 7b

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

python progam.py 0x09 0x19
python program.py 9 25

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

$ python my_script.py 9 253$ python my_script.py 9 254

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

Enter a number with base 10
123
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123 is 7b

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

python progam.py 0x09 0x19
python program.py 9 25

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15

python progam.py 0x09 0x19
python program.py 9 25

$ python my_script.py 9 253$ python my_script.py 9 254

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

python progam.py 0x09 0x19
python program.py 9 25

Đầu ra: & nbsp; 

Biến thể đầu vào a)

Enter a number with base 10
123
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123 is 7b

Biến thể đầu vào b)

Enter a number with base 10
123456789
a. Decimal to Hexadecimal 
b. Decimal to Octal
c. Decimal to Binary
Enter your choice:- 
a
Hexadecimal form of 123456789 is 75bcd15