Python string | hexdigits

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In Python3, string.hexdigits is a pre-initialized string used as string constant. In Python, string.hexdigits will give the hexadecimal letters ‘0123456789abcdefABCDEF’.

Syntax : string.hexdigits Parameters : Doesn’t take any parameter, since it’s not a function. Returns : Return all hexadecimal digit letters.

Note : Make sure to import string library function inorder to use string.hexdigits Code #1 :

# import string library function  
import string  
    
# Storing the value in variable result  
result = string.hexdigits  
    
# Printing the value  
print(result)  

Output :

0123456789abcdefABCDEF

Code #2 : Given code checks if the string input has only hexadecimal digit letters

# importing string library function  
import string  
     
# Function checks if input string  
# has only hexdigits or not  
def check(value):  
    for letter in value:  
             
        # If anything other than hexdigit  
        # letter is present, then return  
        # False, else return True  
        if letter not in string.hexdigits:  
            return False
    return True
     
# Driver Code  
input1 = "0123456789abcdef"
print(input1, "--> ",  check(input1))  
     
input2 = "abcdefABCDEF"
print(input2, "--> ", check(input2))  
     
input3 = "abcdefghGEEK"
print(input3, "--> ", check(input3))  

Output:

0123456789abcdef -->  True
abcdefABCDEF -->  True
abcdefghGEEK -->  False

Applications : The string constant hexdigits can be used in many practical applications. Let’s see a code explaining how to use digits to generate strong random passwords of given size.

# Importing random to generate  
# random string sequence  
import random  
    
# Importing string library function  
import string  
    
def rand_pass(size):  
        
    # Takes random choices from  
    # string.hexdigits  
    generate_pass = ''.join([random.choice(string.hexdigits)  
                        for n in range(size)])  
                            
    return generate_pass  
    
# Driver Code   
password = rand_pass(10)  
print(password)   

Output:

e497FEe2bC

Last Updated : 16 Oct, 2018

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