Stepping Stones

stepping.py

import math
start = int(input())
end = int(input())
amount = int(input()) - 1

if amount == -1 and start == 0 and end == 0:
    print("NONE")
else:
    difference = end-start
    step = difference/amount
    c=[]
    for i in range(amount + 1):
        if start+i*step < 0:
            c.append(str(math.ceil(start+i*step)))
        else:
            c.append(str(math.floor(start+i*step)))
    print(" ".join(c))

Different Format

import math
a = input().split()
start = int(a[0])
end = int(a[1])
amount = int(a[2]) - 1

if amount == -1 and start == 0 and end == 0:
    print("NONE")
else:
    difference = end-start
    step = difference/amount
    c=[]
    for i in range(amount + 1):
        if start+i*step < 0:
            c.append(str(math.ceil(start+i*step)))
        else:
            c.append(str(math.floor(start+i*step)))
    print(" ".join(c))