Python Program to Print (Generate) Right Angle Triangle Star Pattern

This python program generates right angle triangle pattern of stars up to n lines.

In this python example, we first read number of row in the right angle triangle pattern from user using built-in function input(). Since function input() returns string value, we need to convert given number to number type using int(). And then we generate right angle triangle pattern using python's loops

Python Source Code: Right Angle Triangle Pattern

# Generating Right Angle Triangle Pattern Using Stars

row = int(input('Enter number of rows required: '))

for i in range(row):
    for j in range(i+1):
        print('*',end=' ')
    print()

In this program print() only is used to bring control to new lines.

Output

Enter number of rows required: 9

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