Python allows you to assign values to multiple variables in one line:

x, y, z = "Orange", "Banana", "Cherry"
print(x)
print(y)
print(z)

And you can assign the same value to multiple variables in one line:

x = y = z = "Orange"
print(x)
print(y)
print(z)

If you have a collection of values in a list, tuple etc. Python allows you to extract the values into variables. This is called unpacking.

fruits = ["apple", "banana", "cherry"]
x, y, z = fruits
print(x)
print(y)
print(z)

If you create a variable with the same name inside a function, this variable will be local, and can only be used inside the function. The global variable with the same name will remain as it was, global and with the original value.

x = "awesome"

def myfunc():
  x = "fantastic"
  print("Python is " + x)

myfunc()

print("Python is " + x)

Normally, when you create a variable inside a function, that variable is local, and can only be used inside that function.

To create a global variable inside a function, you can use the global keyword.

def myfunc():
  global x
  x = "fantastic"

myfunc()

print("Python is " + x)

Also, use the global keyword if you want to change a global variable inside a function.

x = "awesome"

def myfunc():
  global x
  x = "fantastic"

myfunc()

print("Python is " + x) # fantastic as x changes occurs in global

Understanding the id() Function in Python

The id() function in Python is a built-in function that provides a unique identifier for every object. This identifier helps in understanding how objects are stored and referenced in memory.

Basic Example of id()

Consider the following example to understand the id() function: