Patterns using nested loop in Python

Write a Program (WAP) to Generate the Patterns using nested loop in Python. This python projects is useful for beginners and CBSE KV School Class 11 and Class 12 students computer science practical file and NIELIT O Level Programming and Problem Solving through Python (Module M3-R5).

Objective- Generate the following Patterns using nested loop in Python

We will write three python program to generate the Pattern 1, Pattern 2 and Pattern-3.

Generate the following patterns using nested loop in Python

Pattern -1

Screenshot of source code

Generate the following patterns using nested loop in Python

Explanation of source code

#Function to demonstrate printing pattern
def pypart(n):
#outer loop to handle number of rows
#n in this case
for i in range(0, n):
#inner loop to handle number of columns
#values changing acc. to outer loop
for j in range(0, i+1):
#printing stars
print(“* “,end=””)

ending line after each row
print(“\r”)

n = 5
pypart(n)

Source code of the following program- Click here


Output

Output nested loop in Python

Pattern 2

Screenshot of source code

Source code
#Function to demonstrate printing pattern
def pypart(n):
# outer loop to handle number of rows
# n in this case
for i in range(n+1,1,-1):
y=i
t=0
#inner loop to handle number of columns
# values changing acc. to outer loop
for j in range(2,y+1,1):
t=t+1
#printing pattern
print(t,end=””)
# ending line after each row
print(“\r”)

n=int(input(“Enter the n.o where patterns begin”))

pypart(n)


Source code of the following program- Click here

Output pattern Patterns using nested loop in Python

Generate the following patterns using nested loop in Python

Pattern 3

Screenshot of source code

Generate the following patterns using nested loop in Python

Source code

for i in range(1,6):
for j in range(65,65+i):
a = chr(j)
print(a, end=” “)
print(“\r”)

Source code of the following program- Click here

Output Patterns

We have successfully tested the Python Program for Patterns using nested loop.

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