how to produce a random character in python code example

Example 1: generate random string python

import string
import random

length=5
#python2
randomstr = ''.join(random.sample(string.ascii_letters+string.digits,length))


#python3
randomstr = ''.join(random.choices(string.ascii_letters+string.digits,k=length))

Example 2: python get random character from string

import random

#String
string = "abcdefghijklmnopqrstuvwxyz"
array = []
for c in string:
  array += [c]
 
print(array[random.randint(0, len(array)-1)])

# Faster and more efficient
random.choice(string)