a while loop is used when the number of iterations is uncertain. Note: The if statement is like a single iteration of a loop; it is used to trigger a reaction to certain conditions, or respond to an ...

The if statement for Python will seem amazingly familiar. It is made up of three main components: the keyword itself, an expression that is tested for its truth value, and a code suite to execute if ...

In the following example, we loop through a list of numbers, and use the variable digit to hold each number in turn: Strings in Python are considered “sequences” — they can be iterated over ...

First, you can’t just transport straight C for loops into Python. There has to be some concession to Python syntax. The initial attempt was clever but not clever enough. However, the disassembly ...

You’re probably familiar with looping over objects in Python using English-style syntax like this ... But if we try to use this in a for-loop instead of calling next manually, we’ll discover ...

When you combine Python's dynamic typing with its generally very compact syntax, you can succinctly and clearly express complex ideas and calculations in fewer lines of code than equivalent C-family ...