Reverse star pattern in Python | In the below programs, we will print reverse star patterns using for loop and while loop.
Reverse Star Pattern Programs in Python
Reverse Star Pattern Program 1
Enter the number of rows: 5
* * * *
* * *
* *
*
Enter the number of rows: 7
* * * * * *
* * * * *
* * * *
* * *
* *
*
# Python star pattern to print reverse left half pyramid
def pattern(n):
for i in range(n):
for j in range(n-i-1):
# print star
print("* ",end="")
print(" ")
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)Using While Loop
# Python star pattern to print reverse left half pyramid
def pattern(n):
i = 1
while i <= n :
j = n
while j >= i:
# print star
print("*", end=" ")
j = j - 1
print()
i = i + 1
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)Reverse Star Pattern Program 2
Enter the number of rows: 6
* * * * *
* * * *
* * *
* *
* # Python star pattern to print reverse right half pyramid
def pattern(n):
for i in range(n-1):
for j in range(i+1):
# print space
print(" ",end=" ")
for k in range(n-i-1):
# print star
print("* ",end="")
print()
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)Using While Loop
# Python star pattern to print reverse right half pyramid
def pattern(n):
i = n
while i>=1:
# print star
print(" "*(n-i) + "*" * i)
i-=1
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)Reverse Star Pattern Program 3
Enter the number of rows: 5
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*
# Python star pattern to print reverse triangle
def pattern(n):
for i in range(n, 0, -1):
for j in range(n-i):
# print space
print(" ",end=" ")
for j in range(2*i-1):
# print star
print("* ",end="")
print()
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)
Using While Loop
# Python star pattern to print reverse triangle
def pattern(n):
i = n
while i>=1:
# print star
print(" "*(n-i) + "* " * i)
i-=1
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)Reverse Star Pattern Program 4
Enter the number of rows: 3
*
* *
* * *
* *
*
# Python star pattern to print right pascal triangle
def pattern(n):
# upper pyramid
for i in range(n):
for j in range(i+1):
# print star
print("* ",end="")
print("\r")
# lower pyramid
for i in range(n):
for j in range(n-i-1):
# print star
print("* ",end="")
print("\r")
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)
Using While Loop
# Python star pattern to print right pascal triangle
def pattern(n):
# upper pyramid
i = 1
while i<n:
# print star
print("* " * i)
i+=1
# lower pyramid
i = n
while i>=1:
# print star
print("* " * i)
i-=1
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)Reverse Star Pattern Program 5
Enter the number of rows: 4
*
* *
* * *
* * * *
* * *
* *
*
# Python star pattern to print left pascal triangle
def pattern(n):
# upper pyramid
for i in range(n):
for j in range(n-i-1):
# print space
print(" ", end=" ")
for j in range(i+1):
# print star
print("* ",end="")
print()
# lower pyramid
for i in range(n-1):
for j in range(i+1):
# print space
print(" ",end=" ")
for j in range(n-i-1):
# print star
print("* ",end="")
print()
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)
Using While Loop
# Python star pattern to print left pascal triangle
def pattern(n):
# upper pyramid
i = 1
while i<n:
# print star
print(" "*(n-i) + "*" * i)
i+=1
# lower pyramid
i = n
while i>=1:
# print star
print(" "*(n-i) + "*" * i)
i-=1
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)Reverse Star Pattern Program 6
Enter the number of rows: 6
*
* * *
* * * * *
* * * * * * *
* * * * * * * * *
* * * * * * * * * * *
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*
# Python star pattern to print diamond
def pattern(n):
# upper pyramid
for i in range(n):
for j in range(n-i-1):
print(" ", end=" ")
for j in range(2*i+1):
# print star
print("*", end=" ")
print()
# lower pyramid
for i in range(n-1):
for j in range(i+1):
print(" ", end=" ")
for j in range(2*(n-i-1)-1):
# printing stars
print("*", end=" ")
print()
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)
Using While Loop
# Python star pattern to print diamond
def pattern(n):
# upper pyramid
i = 1
while i<n:
# print star
print(" "*(n-i) + "* " * i)
i+=1
# lower pyramid
i = n
while i>=1:
# print star
print(" "*(n-i) + "* " * i)
i-=1
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)Reverse Star Pattern Program 7
Enter the number of rows: 5
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*
* * *
* * * * *
* * * * * * *
* * * * * * * * *
# Python star pattern to print hourglass
def pattern(n):
# reverse pyramid
for i in range(n-1):
for j in range(i):
# print space
print(" ", end=" ")
for j in range(2*(n-i)-1):
# print star
print("*", end=" ")
print()
# upper pyramid
for i in range(n):
for j in range(n-i-1):
# print space
print(" ", end=" ")
for j in range(2*i+1):
# print star
print("*", end=" ")
print()
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)
Using While Loop
# Python star pattern to print hourglass
def pattern(n):
# reverse pyramid
i = n
while i>1:
# print star
print(" "*(n-i) + "* " * i)
i-=1
# upper pyramid
i = 1
while i<=n:
# print star
print(" "*(n-i) + "* " * i)
i+=1
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)Hollow Reverse Star Pattern in Python
In the below programs, we will print the hollow reverse star pattern using the For Loop and While Loop.
Reverse Star Pattern Program 8
Enter the number of rows: 6
* * * * * *
* *
* *
* *
* *
*
# Python star pattern to print hollow reverse left half pyramid
def pattern(n):
for i in range(n, 0, -1):
for j in range(i, 0, -1):
if i == 1 or i == n or j == 1 or j == i:
# print star
print("*", end=" ")
else:
# print space
print(" ", end=" ")
print()
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)
Reverse Star Pattern Program 9
Enter the number of rows: 5
* * * * * * * * *
* *
* *
* *
*
# Python star pattern to print hollow reverse left half pyramid
def pattern(n):
for i in range(1, n+1):
for j in range(0, i):
# print space
print(" ", end=" ")
for j in range(1, (n*2 - (2*i-1)) + 1):
if i == 1 or j == 1 or j ==(n*2 -(2*i-1)):
# print star
print("*", end=" ")
else:
# print space
print(" ", end=" ")
print()
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)
Reverse Star Pattern Program 10
Enter the number of rows: 4
*
* *
* *
* *
* *
* *
* # Python star pattern to print hollow diamond
def pattern(n):
# upper hollow pyramid
for i in range(n):
for j in range(n-i-1):
# print space
print(" ", end=" ")
for j in range(2*i+1):
if j == 0 or j == 2*i:
# print star
print("*", end=" ")
else:
# print space
print(" ", end=" ")
print()
# lower hollow pyramid
for i in range(n-1):
for j in range(i+1):
# print space
print(" ", end=" ")
for j in range(2*(n-i-1)-1):
if j == 0 or j == 2*(n-i-1)-2:
# print star
print("*", end=" ")
else:
# print space
print(" ", end=" ")
print()
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)
Reverse Star Pattern Program 11
Enter the number of rows: 5
* * * * * * * * *
* *
* *
* *
*
* *
* *
* *
* * * * * * * * *
# Python star pattern to print hollow hourglass
def pattern(n):
# upper hollow pyramid
for i in range(n, 0, -1):
for j in range(n-i):
# print space
print(" ", end=" ")
for j in range(1, 2*i):
if i==1 or i==n or j==1 or j==2*i-1:
# print star
print("*", end=" ")
else:
# print space
print(" ", end=" ")
print()
# lower hollow pyramid
for i in range(2, n+1):
for j in range(n-i):
# print space
print(" ", end=" ")
for j in range(1, 2*i):
if i==n or j==1 or j==2*i-1:
# print star
print("*", end=" ")
else:
# print space
print(" ", end=" ")
print()
# take input
n = int(input('Enter the number of rows: '))
# calling function
pattern(n)
Also See:- Pattern Programs in C
