#h=height
h = int(input("Enter the height of triangle : "))
for I in range(1,h+1):
for J in range (I):
print("*",end=" ")
print("\r")
Note: Need to be arranged in compiler after copied
OutPut:
Enter the height of triangle : 5
*
* *
* * *
* * * *
* * * * *
*
* *
* * *
* * * *
* * * * *