What is the difference between random randint and randrange?

Question

The only difference that I know between randrange and randint is that randrange([start], stop[, step]) you can use the step and

Answer 1

Actually... randint() uses randrange() to generate random integers.

>>> randint(1.0,2.1)
Traceback (most recent call last):
  File "", line 1, in 
    randint(1.0,2.1)
  File "C:\Users\Anonymous\AppData\Local\Programs\Python\Python37\lib\random.py", line 222, in randint
    return self.randrange(a, b+1) <----- LOOK HERE
  File "C:\Users\Anonymous\AppData\Local\Programs\Python\Python37\lib\random.py", line 195, in randrange
    raise ValueError("non-integer stop for randrange()")
ValueError: non-integer stop for randrange()