In this article, we will discuss the top 18 Python program patterns you must know of. Let's get started.
#1: Simple Number Triangle Pattern
Pattern:
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
Code:
rows = 6
for num in range(rows):
for i in range(num):
print(num, end=” “) # print number
# line after each row to display pattern correctly
print(” “)
#2: Inverted Pyramid of Numbers
Pattern:
1 1 1 1 1
2 2 2 2
3 3 3
4 4
5
Code:
rows = 5
b = 0
for i in range(rows, 0, -1):
b += 1
for j in range(1, i + 1):
print(b, end=’ ‘)
print(‘r’)
#3: Half Pyramid Pattern of Numbers
Pattern:
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
Code:
rows = 5
for row in range(1, rows+1):
for column in range(1, row + 1):
print(column, end=’ ‘)
print(“”)
#4: Inverted Pyramid of Descending Numbers
Pattern:
5 5 5 5 5
4 4 4 4
3 3 3
2 2
1
Code:
rows = 5
for i in range(rows, 0, -1):
num = i
for j in range(0, i):
print(num, end=’ ‘)
print(“r”)
#5: Inverted Pyramid of the Same Digit
Pattern:
5 5 5 5 5
5 5 5 5
5 5 5
5 5
5
Code:
rows = 5
num = rows
for i in range(rows, 0, -1):
for j in range(0, i):
print(num, end=’ ‘)
print(“r”)
#6: Reverse Pyramid of Numbers
Pattern:
1
2 1
3 2 1
4 3 2 1
5 4 3 2 1
Code:
rows = 6
for row in range(1, rows):
for column in range(row, 0, -1):
print(column, end=’ ‘)
print(“”)
#7: Inverted Half Pyramid Number Pattern
Pattern:
0 1 2 3 4 5
0 1 2 3 4
0 1 2 3
0 1 2
0 1
Code:
rows = 5
for i in range(rows, 0, -1):
for j in range(0, i + 1):
print(j, end=’ ‘)
print(“r”)
#8: Pyramid of Natural Numbers Less Than 10
Pattern:
1
2 3 4
5 6 7 8 9
Code:
currentNumber = 1
stop = 2
rows = 3 # Rows you want in your pattern
for i in range(rows):
for column in range(1, stop):
print(currentNumber, end=’ ‘)
currentNumber += 1
print(“”)
stop += 2
#9: Reverse Pattern of Digits from 10
Pattern:
1
3 2
6 5 4
10 9 8 7
Code:
start = 1
stop = 2
currentNumber = stop
for row in range(2, 6):
for col in range(start, stop):
currentNumber -= 1
print(currentNumber, end=’ ‘)
print(“”)
start = stop
stop += row
currentNumber = stop
#10: Unique Pyramid Pattern of Digits
Pattern:
1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1
1 2 3 4 5 4 3 2 1
Code:
rows = 6
for i in range(1, rows + 1):
for j in range(1, i – 1):
print(j, end=” “)
for j in range(i – 1, 0, -1):
print(j, end=” “)
print()
#11: Connected Inverted Pyramid Pattern of Numbers
Pattern:
5 4 3 2 1 1 2 3 4 5
5 4 3 2 2 3 4 5
5 4 3 3 4 5
5 4 4 5
5 5
Code:
rows = 6
for i in range(0, rows):
for j in range(rows – 1, i, -1):
print(j, ”, end=”)
for l in range(i):
print(‘ ‘, end=”)
for k in range(i + 1, rows):
print(k, ”, end=”)
print(‘n’)
#12: Even Number Pyramid Pattern
Pattern:
10
10 8
10 8 6
10 8 6 4
10 8 6 4 2
Code:
rows = 5
LastEvenNumber = 2 * rows
evenNumber = LastEvenNumber
for i in range(1, rows+1):
evenNumber = LastEvenNumber
for j in range(i):
print(evenNumber, end=’ ‘)
evenNumber -= 2
print(“r”)
#13: Pyramid of Horizontal Tables
Pattern:
0
0 1
0 2 4
0 3 6 9
0 4 8 12 16
0 5 10 15 20 25
0 6 12 18 24 30 36
Code:
rows = 7
for i in range(0, rows):
for j in range(0, i + 1):
print(i * j, end=’ ‘)
print()
#14: Pyramid Pattern of Alternate Numbers
Pattern:
1
3 3
5 5 5
7 7 7 7
9 9 9 9 9
Code:
rows = 5
i = 1
while i <= rows:
j = 1
while j <= i:
print((i * 2 – 1), end=” “)
j = j + 1
i = i + 1
print()
#15: Mirrored Pyramid (Right-angled Triangle) Pattern of Numbers
Pattern:
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
Code:
rows = 6
for row in range(1, rows):
num = 1
for j in range(rows, 0, -1):
if j > row:
print(” “, end=’ ‘)
else:
print(num, end=’ ‘)
num += 1
print(“”)
#16: Equilateral Triangle with Stars
Pattern:
*
* *
* * *
* * * *
* * * * *
* * * * * *
* * * * * * *
Code:
print(“Print equilateral triangle Pyramid using stars “)
size = 7
m = (2 * size) – 2
for i in range(0, size):
for j in range(0, m):
print(end=” “)
m = m – 1 # decrementing m after each loop
for j in range(0, i + 1):
# printing full Triangle pyramid using stars
print(“* “, end=’ ‘)
print(” “)
#17: Downward Triangle Pattern of Stars
Pattern:
* * * * * *
* * * * *
* * * *
* * *
* *
*
Code:
rows = 5
k = 2 * rows – 2
for i in range(rows, -1, -1):
for j in range(k, 0, -1):
print(end=” “)
k = k + 1
for j in range(0, i + 1):
print(“*”, end=” “)
print(“”)
#18: Pyramid Pattern of Stars
Pattern:
*
* *
* * *
* * * *
* * * * *
Code:
rows = 5
for i in range(0, rows):
for j in range(0, i + 1):
print(“*”, end=’ ‘)
print(“r”)
Final Words
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