String Operations (SQA National 5 Computing Science): Revision Note

Uppercase

DECLARE name INITIALLY "Sarah"
SEND UCASE(name) TO DISPLAY

name = "Sarah"
print(name.upper())

SARAH

Lowercase

DECLARE name INITIALLY "SARAH"
SEND LCASE(name) TO DISPLAY

name = "SARAH"
print(name.lower())

sarah

DECLARE password INITIALLY "letmein"
SEND LENGTH(password) TO DISPLAY

password = "letmein"
print(len(password))

7

DECLARE password INITIALLY "letmein"
IF LENGTH(password) >= 8 THEN
SEND "Password accepted" TO DISPLAY
ELSE
SEND "Password too short" TO DISPLAY
END IF

password = "letmein"
if len(password) >= 8:
print("Password accepted")
else:
print("Password too short")

Password too short

DECLARE word INITIALLY "Revision"
SEND SUBSTRING(word, 1, 3) TO DISPLAY

word = "Revision"
print(word[0:3])

Rev

DECLARE word INITIALLY "Revision"
SEND SUBSTRING(word, 3, 6) TO DISPLAY

word = "Revision"
print(word[2:6])

visi

Concatenating two strings

DECLARE FName INITIALLY "Sarah"
DECLARE SName INITIALLY "Jones"
SET FullName TO FName & SName
SEND FullName TO DISPLAY

FName = "Sarah"
SName = "Jones"
FullName = FName + SName
print(FullName)

SarahJones

Concatenating two strings with a space

DECLARE FName INITIALLY "Sarah"
DECLARE SName INITIALLY "Jones"
SET FullName TO FName & " " & SName
SEND FullName TO DISPLAY

FName = "Sarah"
SName = "Jones"
FullName = FName + " " + SName
print(FullName)

Sarah Jones

Concatenating text and variables

DECLARE name INITIALLY "Sarah"
SEND "Hello, " & name TO DISPLAY

name = "Sarah"
print("Hello, " + name)

Hello, Sarah