Results for “input”

9 results

  1. Challenge

    input() returns text

    A crew count read with input() crashes when 1 is added to it. Predict the crash, find out what input() really returns, fix it with int(), then write a packing tool that reads two numbers.

    Fix the code Easy 3 stages input int TypeError type conversion

  2. Challenge

    Safe number input

    …Catch it with try and except, keep asking until the input is a number, then also turn away zero and negative lengths.

    Write the code Easy 2 stages errors try except ValueError

  3. Challenge

    Fuel for a burn

    Ask for an engine burn length with input(), turn it into a number with float() and work out the propellant it uses, then read the tank level too and show what the burn leaves.

    Write the code Easy 2 stages input float type conversion multiplication

  4. Challenge

    Validate a command

    Read a console command with input(), accept start, stop and status in any case with an if/elif chain, print Unknown command for anything else, then handle empty input and show what was typed.

    Write the code Easy 2 stages if elif else input

  5. Challenge

    Downlink time

    Read a file size in MB and a link speed in Mbit/s with input(), work out the transfer time without forgetting the 8 bits in a byte, show it in minutes and seconds, then count the ground station…

    Write the code Medium 3 stages input float bits and bytes round

  6. Challenge

    Normalise a command

    Turn " Launch " into launch with strip() and lower(), check it against the command list, then accept underscores and dashes too, so commands match however operators type them.

    Write the code Easy 3 stages strings strip lower replace

  8. Challenge

    Decimal comma

    …and a comma before the decimals. Ask for a reading with input() and print it with two decimal places: Pressure: 1013.25 hPa Two replacements: remove the spaces, then turn the comma into a dot…

    Fix the code Easy 3 stages strings replace float ValueError

  9. Challenge

    Test the parser

    Write assert checks for parse_line() from "Parser function": the whole record for a good line first, then None for a blank line, a comment and a line with a missing field, so a broken parser can't…

    Write the code Medium 2 stages testing assert parsing None