How to use function locals in Python? - with practical example

Sure! Let's dive into how we can use the locals() function in Python. The locals() function returns a dictionary containing the variables defined in the current local scope. This can be useful for debugging or dynamically accessing variable values. Example 1: Let's say we have some variables defined in our local scope and we want to access them using the locals() function. Explaining: 1. Define some variables in the local scope. 2. Use the locals() function to access the variables. 3. Print out the variables using the dictionary returned by locals().
# Define variables in the local scope
name = "Alice"
age = 30

# Access variables using locals()
local_vars = locals()

# Print out the variables
print(local_vars['name'])
print(local_vars['age'])

Example 2: Now, let's see how we can dynamically update variables in the local scope using the locals() function. Explaining: 1. Define a variable in the local scope. 2. Use locals() to update the variable. 3. Print out the updated variable.
# Define a variable in the local scope
number = 10

# Update the variable using locals()
locals()['number'] = 20

# Print out the updated variable
print(number)

In both examples, we can see how the locals() function allows us to access and modify variables in the local scope dynamically. This can be handy for tasks like debugging or dynamically updating variable values.

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