Program in python to demonstrate star pattern printing triangle

Program in python to demonstrate star pattern printing triangle
  
Answer:

def triangle(n):
k = 2*n - 2
     for i in range(0, n):
     
        for j in range(0, k):
            print(end=" ")
     
     
        k = k - 1
     
       
        for j in range(0, i+1):
         
         
            print("* ", end="")
     
     
        print("\r")

n = 5
triangle(n)



Output:

    *
   * *
  * * *
 * * * *
* * * * *