Does range function always takes one parameter?

Answer 1

With two params, the output would look like the below.

x = list(range(5, 10))
print(x)
# [5,6,7,8,9]

With three params, the output would look like the below--where the third param is the gap between each input.

x = list(range(5, 10, 2))
print(x)
# [5,7,9]

Note: alphabet letters don't work with range.

Answer 2

no

Answer 3

# Just kidding :)
step = input("Enter a number: ")
x = range(0, 1000, step)
print x