Pseudocode Cheat Sheet

num = 44           //assignments
const k=34.56      //constants
global lives = 3   //global

pwd = input(“Please enter a password”)   //input
print(“You have logged in succesfully”)  //output
 

str(127)        //to string
int("45")       //to integer
float("7.45")   //to float
real(92.34)     //to real
bool("False")   //to boolean

// interesting comment
// another interesting comment

**//IF-THEN-ELSE**
if hour < 12 then
    print(“Good Morning!”)
elseif (hour < 18) then
    print(“Good Afternoon!”)
else
    print(“Good Evening!”)
endif

**//SWITCH**
switch day:
    case 6:
        print(“Saturday”)
    case 7:
        print(“Sunday”)
    default:
        print(“Weekday”)
endswitch

**//FOR LOOP**
for i = 0 to 9
    print (“i = ” + i)
next i

**//WHILE LOOP**
while password != “Password123”
    password = input(“Guess again”)
endwhile

**//DO WHILE LOOP**
do
    password = input(“Guess again”)
while password != “Password123”

i = random(1,9)
r = random(1.1, 7.5)

f = open(“data.txt”)     //open
f.close()                //close
f.readLine()             //read line
f.writeLine(“Hello”)     //write line
while NOT f.endOfFile()
    print f.readLine()
endwhile                 //end of file
newFile(“newdata.txt”)   //create new file

array scores[5]  //declaration
score [0] = 23   //assignment
len(score)       //length

**//PROCEDURE**
procedure sum(n1,n2)
    print(n1 + n2)
endprocedure

**//FUNCTION**
function sum(n1,n2)
    return(n1 + n2)
endfunction

**//CALL A PROCEDURE**
sum(8,9)

**//CALL A FUNCTION**
result = sum(8,9)

**//COMPARISON OPERATORS**
myAge == 36         //equal
lives != 0          //not equal
health < 1          //less
score > 0           //greater
marks <= 40         //less or equal
marks >= 80         //greater or equal

**//ARITHMETIC OPERATORS**
4 + 5               //add
9 - 6               //subtract
2 * 4               //multiply
5 ^ 3               //exponent
6 / 3               //divide
7 MOD 2             //modulus
8 DIV 3             //quotient

**//LOGICAL OPERATORS**
age > 18 AND age < 60
hour < 9 OR hour > 17
NOT day == “Sunday”

**//STRING OPERATORS**
name.length         //string length
name.substring(2,4)
name.left(3)
name.right(5)      //substring
print("hi" + name) //concatenation
name.upper
name.lower         //case change
ASC(X)
CHR(75)            //ASCII conversation