Scope of variables
This could be an intriguing topic for you to understand for the first time. But it is actually a very simple topic. Let's try to understand this with a real-life situation. You might be aware of two types of airlines: domestic and international carriers. The scope of domestic carriers will be restricted to a particular country's operation only, while an international carrier has the scope to operate on an international border. Same is the case with variables. The scope on the broader aspect defines the access level for specific variable. There are two basic scopes of variables in Python:
- Local variables
- Global variables
A local variable is defined inside the Python function. Local variables are only accessible within their local scope. A global variable is defined outside the Python function. Global variables are only accessible throughout the program:
Here, the variable k with value 4 is an example of a global variable, while the list1 variable is an example of a local variable...
