Example
Dynamic Typing
Python allows changing variable type during program execution. This is dynamic typing.
Results for “variables”
Showing 11–20 of 53
-
-
Challenge
Manifest line
Unpack an (id, item, mass_kg) tuple into three named variables and print a cargo manifest line, then fix the ValueError when the manifest adds a fourth field.
-
Example
Tuple Unpacking
Tuple unpacking assigns its elements to separate variables simultaneously.
-
Challenge
Magic numbers
Turn the bare 9.81 and 1000 in a weight report into named constants without changing the output, then write a Mars version with constants from the start.
-
Challenge
Landing site
…landing site as a (lat, lon) tuple, unpack it into two variables in one line and print both to four decimals, then show it the way maps do, with N, S, E and W.
-
Example
Variable Keyword Arguments **kwargs
Operator ** allows accepting any number of keyword arguments.
-
Example
Variable Number of Arguments *args
Operator * allows accepting any number of positional arguments.
-
Example
Separating Namespaces
Namespaces isolate variables. Modules and functions create their own namespaces.
-
Example
Scope in Nested Functions
The nonlocal keyword gives access to variables in the enclosing function.
-
Example
Text Formatting with f-strings
F-strings are a modern way to format text in Python. Insert variables directly into text.