Coding for Beginners

Edit one line of a provided Python program and run the revised program in a browser-based coding workspace.

Use print statements to display text and numerical values.

Create and update variables containing text, integers, and decimal numbers.

Evaluate arithmetic expressions using Python operators and order of operations.

Collect text from a user with the input function.

Convert user input into integers or decimal numbers for calculations.

Create readable output that inserts variable values into formatted strings.

Use a Python error message to locate and correct a syntax or type error.

Compare numbers and text using Python comparison operators.

Use an if-else statement to select between two actions.

Use an if-elif-else statement to handle several possible cases.

Combine conditions using the and, or, and not operators.

Use a for loop with range to repeat an action a fixed number of times.

Use counters and accumulators to track results during a loop.

Use a while loop with an updating control variable to repeat an action while a condition remains true.

Correct an off-by-one error or infinite loop by tracing variable values.

Create a Python list and retrieve an item by its index.

Change a list by replacing, adding, or removing an item.

Use a for loop to process every value in a list.

Calculate the total, average, minimum, and maximum of a numerical list.

Define and call a function that accepts one or more parameters.

Return a calculated value from a function and use it elsewhere in a program.

Break a short problem into separate functions with one responsibility each.

Test a function using typical inputs and boundary cases.

Calculate the percentage change between two fictional prices using a provided formula and a nonzero starting price.

Use indexes in a loop to calculate period-by-period percentage changes between consecutive prices in a list.

Calculate a simple moving average for the most recent fixed-size window when the price list contains enough values.

Classify the latest fictional price as above, below, or equal to its moving average.

Translate the requirements for a fictional price analyzer into ordered pseudocode.

Implement the fictional price analyzer using functions, loops, conditions, and lists.

Find and correct logic errors by comparing program output with hand-calculated examples.

Explain what the program's results show and why its toy rules should not be used for real-money decisions.