Creating star patterns is a common practice exercise in Python programming. These patterns use nested loops to control the arrangement of asterisks (*) to form various shapes.
Here are some examples of star patterns in Python:
Print 5 Star print without loop -
Multi line star pattern
print("*")
print("*")
print("*")
print("*")
print("*")
Output-
*
*
*
*
*
Use (end) single line star pattern
print("*", end="")
print("*", end="")
print("*", end="")
print("*", end="")
print("*", end="")
Output - ( * * * * * )
Star 5 Pattern using Loop
Using For loop multi line -
for el in range(5):
print("*")
Output -
*
*
*
*
*
Using For loop single line-
for el in range(5):
print("*", end="")
Output -( * * * * * )
Star Pattern to range star loop wise pattern -
Multi line -
for i in range(4):
print("*1")
for j in range(2):
print("*2")
Output -
*1
*2
*2
*1
*2
*2
*1
*2
*2
*1
*2
*2
Star Pattern to range star loop wise pattern -
Single line
for i in range(4):
print("*1",end="")
for j in range(2):
print("*2", end="")
Output - ( *1 *2 *2 *1 *2 *2 *1 *2 *2 *1 *2 *2 )
Serial Line pattern -
for i in range(4):
print("*1",end="")
for j in range(2):
print("*2", end="")
print()
Output -
*1 *2 *2
*1 *2 *2
*1 *2 *2
*1 *2 *2
Single line two range star pattern i (4) and j (4) cols pattern
for i in range(4):
for j in range(4):
print("*", end="")
Output- ( * * * * * * * * * * * * * * * * )
Multi line two range star pattern i (5) and j (4) cols and rows pattern
1 - for i in range(5):
for j in range(4):
print("*", end="")
print()
Output -
* * * *
* * * *
* * * *
* * * *
* * * *
2- for i in range(1,5):
for j in range(1,6):
print("*", end="")
print()
Output -
* * * * *
* * * * *
* * * * *
* * * * *
3 - for i in range(1,6):
for j in range(1,6):
if j <= i:
print("*", end="")
else:
print("" , end="")
print()
Output -
*
* *
* * *
* * * *
* * * * *
4 - for i in range(1,6):
for j in range(1,6):
if j <=6 - i:
print("*", end="")
else:
print("" , end="")
print()
Output -
* * * * *
* * * *
* * *
* *
*
5 - for i in range(1,5):
for j in range(1,8):
if j <=5 - i and j<=3+i:
print("*", end="")
else:
print("" , end="")
print()
Output -
* * * *
* * *
* *
*
6 - p= 1
for i in range(1,5):
for j in range(1,8):
if j <=5 - i and j<=3+i:
print(p, end="")
p=p+1
else:
print("" , end="")
print()
Output -
1 2 3 4
5 6 7
8 9
10
Def Function in Python -
Python, the def keyword is used to define functions. Functions are reusable blocks of code that perform a specific task. They can take inputs (arguments) and optionally return outputs.
Def: This keyword signals the start of a function definition.Function_name: This is a name you choose for your function. It should be descriptive and reflect what the function does.Parameters: These are inputs that the function can accept. They are listed within parentheses after the function name, separated by commas.Docstring: This is a brief explanation of what the function does and how to use it. It's enclosed in triple quotes (""").Function body: This is the indented block of code that defines the function's logic. It contains the statements that the function will execute when it's called.Return: This statement returns a value from the function. The function execution stops after the return statement is reached.
1 - Addition two Number
def add():
a=int(input("Enter the number :"))
b=int(input("Enter the Second Number :"))
c = a + b
print("Additon : ",c)
add()
2- Subtraction two number
def add():
a=int(input("Enter the number :"))
b=int(input("Enter the Second Number :"))
c = a - b
print("Additon : ",c)
add()
3 - Multification two number -
def add():
a=int(input("Enter the number :"))
b=int(input("Enter the Second Number :"))
c = a * b
print("Additon : ",c)
add()
4 - Division two number -
def add():
a=int(input("Enter the number :"))
b=int(input("Enter the Second Number :"))
c = a / b
print("Additon : ",c)
add()
This function definition creates a function named greet that takes one parameter, name. The function body then prints a greeting message using the provided name.
Use two def function two input result
def add():
a=int(input("Enter the number :"))
b=int(input("Enter the Second Number :"))
c = a + b
print("Additon : ",c)
add()
add()
Use three def function and three input result
def add():
a=int(input("Enter the number :"))
b=int(input("Enter the Second Number :"))
c = a + b
print("Additon : ",c)
add()
add()
add()
Use return keyword in def function
def add(p,q): # formal parameters function definition
r = p + q
return r
a=int(input("Enter the number :"))
b=int(input("Enter the Second Number :"))
c = add(a,b) # actual parameters Function Calling
print("Addition" ,c)
Three parameters functions
1 - Error Syntax -
def fun1(a,b,c):
print(a,b,c)
fun1(3,6)
fun1(6,9,6)
Correct Syntax -
"" first fun1 a=3 b=6 and c = 0
Second fun1 a= 6 b= 9 and c = 6""
def fun1(a,b,c = 0):
print(a,b,c)
fun1(3,6)
fun1(6,9,6)
2- def fun1(a,b,c=0):
print(a,b,c)
print(c)
fun1(c=6,a=9,b=6)
Output -
9 6 6
6
3- def fun1(a,b,c):
print(a+b+c)
fun1(32, 65)
fun1(77, 57, 47)
fun1(87, 57, 86, 75, 68, 58,46 ,57)
Error syntax
def fun1(*a):
print(a)
fun1(32, 65)
fun1(77, 57, 47)
fun1(87, 57, 86, 75, 68, 58,46 ,57)
correct syntax
Using list function
def fun1(*u):
print(u)
h = list(u)
print(h)
fun1(32, 65)
fun1(77, 57, 47)
fun1(87, 57, 86, 75, 68, 58,46 ,57)
Output -
(32, 65)
[32,65]
(77, 57, 47)
[77, 57, 47]
(87, 57, 86, 75, 68, 58,46 ,57)
[87, 57, 86, 75, 68, 58,46 ,57]
