start = int(input("Enter the start of range: "))
end = int(input("Enter the end of range: "))
for num in range(start, end + 1):
         if num >= 0:
        print(num, end = " ")

start = int(input("Enter the start of range: "))
end = int(input("Enter the end of range: "))
for num in range(start, end + 1):
         if num >= 0:
        print(num, end = " ")
