Example 1 :
# Define a function
def greet():
print("Hello, World!")
# Call the function
greet()Output :
Hello, World!Example 2 :
# Define a function with parameters
def greet(name):
print(f"Hello, {name}!")
# Call the function with an argument
greet("Alice")Output :
Hello, Alice!Example 3 :
# Define a function with two parameters
def add(a, b):
return a + b
# Call the function with arguments
result = add(3, 4)
print(result)Output :
7Example 4 :
# Define a function that returns a value
def square(x):
return x * x
# Call the function and store the result
result = square(5)
print(result)Output :
25Example 5 :
# Define a function that returns multiple values
def get_name_and_age():
name = "Alice"
age = 30
return name, age
# Call the function and unpack the result
name, age = get_name_and_age()
print(name, age)Output :
Alice 30Example 6 : (Area of Circle using Functions)
def areaofcircle(r):
answer=3.14*r
return answer
radius=int(input("Enter Radius Value"))
ans=areaofcircle(radius)
print ("Answer",ans)Output :
Enter Radius Value 1
Answer 3.14Example 7 :
def welcome(myname):
msg="Hi " +myname + " Welcome to My Centre"
return msg;
m=input("Enter Your Name : ")
print(welcome(m))
Output :
Enter Your Name : Raj
Hi Raj Welcome to My Centre