num_rows = int(input("Enter the number of rows"))
k = 0
for i in range(1, num_rows + 1): 
    for j in range (1, (num_rows - i) + 1): 
        print(end = " ")          
    while k != (2 * i - 1):
        print("*", end = "")
        k = k + 1
    k = 0   
    print()  
 
k = 2
m = 1
for i in range(1, num_rows): 
    for j in range (1, k):
        print(end = " ") 
    k = k + 1	  
    while m <= (2 * (num_rows - i) - 1): 
        print("*", end = "") 
        m = m + 1
    m = 1	
    print()
     
           
Note: Need to be arranged in compiler after copied
   

 OutPut:

Enter the number of rows5
     *
    ***
   *****
  ******* 
 *********
  *******
   *****
    ***
     *