Star patterns in python

In [1]:

row = 10

for i in range(0, row):

    for j in range(0, row):

        print ('*', end = ' ')

    print ('')

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

In [2]:

row = 10

for i in range(0, row):

    for j in range(0, i + 1):

        print ('*', end = ' ')

    print ('')

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

In [3]:

row = 10

for i in range(0, row):

    for j in range(0, row - i - 1):

        print (' ', end = ' ')

    for k in range(0, i + 1):

        print('*', end = ' ')

    print('')

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

In [4]:

row = 10

for i in range (0, row):

    for j in range(0, row - i):

        print ('*', end = ' ')

    print ('')

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

In [5]:

row = 10

for i in range(0, row):

    for j in range(0, i):

        print (' ', end = ' ')

    for k in range(0, row - i):

        print ('*', end = ' ')

    print ('')

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