Python : Control Flow: Loops (for, while)

Control Flow: Loops (for, while)

1. Introduction to Loops:

Understanding the need for loops in programming.
Repeating actions without duplicating code.

2. The for Loop:

Syntax of the for loop.
Iterating over sequences (lists, strings, tuples) using for.
Using the range() function for numerical ranges.
Executing a block of code multiple times

3. The while Loop:

Syntax of the while loop.
Executing a block of code as long as a condition is true.
Avoiding infinite loops by updating loop control variables.

4. Loop Control Statements:

Using break to exit a loop prematurely.
Using continue to skip the current iteration and move to the next.
Using else with loops to execute code when the loop completes.

5. Nested Loops:

Using nested for and while loops.
Creating patterns and grids with nested loops.

6. Iterating Over Data:

Iterating over dictionaries using for loops.
Accessing keys, values, or both in dictionary iteration.

7. Looping Techniques:

Using the enumerate() function to get index and value.
Using the zip() function to iterate over multiple sequences.
Using list comprehensions for concise loops.

8. Looping and Lists

Modifying elements of a list using loops.
Creating new lists with loop-generated values.

9. Looping and Strings:

Iterating over characters in a string.
String manipulation using loops.

10. Infinite Loops and Exit Conditions:

Handling infinite loops and their causes.
Using break or control variables to exit loops.

11. Looping Applications:

Real-world examples of loops in programming.
Processing data, generating patterns, and more.

12. Looping and Input Validation:

Using loops for user input validation.
Repeatedly prompting the user until valid input is given.

13. Looping and Accumulation:

Accumulating values during iterations (e.g., summing a list of numbers).
Using loops to calculate averages, maximums, minimums, etc.

14. Looping and Countdowns:

Using loops to create countdowns or timers.
Adding delays using the time.sleep() function.

15. Looping and Flow Control:

How loops control the flow of a program.
Controlling the order of operations using loops.