Patterns in Loops(Python Programs)

# Square Pattern size = 5 for i in range(size): for j in range(size): print("*", end=" ") print()

Output:

* * * * *

* * * * *

* * * * *

* * * * *

* * * * *

# Triangle Pattern

size = 5

for i in range(size):

    for j in range(i + 1):

        print("*", end=" ")

    print()

Output:

*

* *

* * *

* * * *

* * * * *

# Right-angled Triangle Pattern

size = 5

for i in range(size):

    for j in range(size - i):

        print("*", end=" ")

    print()

Output:

* * * * *

* * * *

* * *

* *

*

# Pyramid Pattern

size = 5

for i in range(size):

    print(" " * (size - i - 1) + "*" * (2 * i + 1))

Output:

    *

   ***

  *****

 *******

*********