Construct Pattern

4. Write a python program to construct the following pattern, using a nested for loop.

# *

# * *

# * * *

# * * * *

# * * * * *

# * * * *

# * * *

# * *

# *

# Solution:

n = 5for i in range(n):
    for j in range(i):
        print('*', end="")
    print('')
for i in range(n,0,-1):
    for j in range(i):
        print('*', end="")
    print('')