Computing

Computing

1. Text strings

   • text is known as a string and must be enclosed speech marks
   • Strings can be joined using commas or plus
   • the hash symbol is used to make notes to understand the program

2. selection statements

   • == allowes you to check if a variable equals a value
   • != means does not equal
   • programme only executes instructions if true
   • and and or is used to check if both conditions are true

3. arithmetic and random numbers

   • import random imports a set of library routines into the program to be used
   • + add **power of - subtraction // integer division * multiplication % remainder after devision / division