python_random_UUID

'''
#-----------------Way 1 ------------------------
import string
import random
def id_generator(size=6, chars=string.ascii_uppercase + string.digits): # use A-Z and 0-9
    return ''.join(random.choice(chars) for _ in range(size))
print(id_generator())
'''

#-----------------Way 2 ------------------------better
import uuid

def my_random_uuid(string_length=32):
    """Returns a random string of length string_length."""
    random = str(uuid.uuid4()) # Convert UUID format to a Python string.
#    random = random.upper() # Make all characters uppercase.
    random = random.replace("-","") # Remove the UUID '-'.
    return random[0:string_length] # Return the random string.

print(my_random_string()) # For example, D9E50C

# print(my_random_uuid(50)) # For example, D9E50C


#  souce
#    http://www.victorgau.com/?p=5494
#    https://stackoverflow.com/questions/2257441/random-string-generation-with-upper-case-letters-and-digits-in-python
#    https://dotblogs.com.tw/chris0920/2010/10/25/18560