import math def main(): input(a,b,n,dx) sum=0 for count in range(n): sum+=dist(a+(dx*count), a+(dx*(count+1))) print("Sum of lengths = ", sum) def input(a,b,n,dx): a = float(input("Value for a: ")) b = float(input("Value for b: ")) n = float(input("Value for n: ")) dx = (b-a)/n def f(x): return math.cos(x) def dist(a,B)/>: d = (math.sqrt( (b-a)** + (f(B)/>-f(a))**) return d main()

Correction, at the end of the line where I call the math.sqrt function. OH, also how do I input several variables from the user in one line? In C++ I'm used to doing it like "cin >> a, b, n", in python i'm guessing it to be something like "a,b,n=input("string"),input("string"),input("string")?