Python syntax

Question 1

Data types - in python syntax

Integer
Real
Boolean
Character

Answer 1

int
float
bool
str

Question 2

Convention of data types into 
Integer
Real
Boolean
List

Answer 2

Conversion is used to transform the data types of the contents of a variable using int(), str(), float(), bool() or list().

Question 3

How constants conventionally named

Answer 3

Constants are conventionally named in all uppercase characters.

Question 4

A structured data type is a sequence of items, which themselves are typed. Sequences start with an index of __.

Answer 4

Zero

Question 5

Array vs record in python explanation + syntax

Answer 5

Array - A sequence of items with the same (homogeneous) data type list

Record - A sequence of items, usually of mixed (heterogenous) data types list

Question 6

Arithmetic operators:

division
multiplication
exponentiation
addition
subtraction
integer division
modulus

Answer 6

/
*
**
\+
-
//
%

Question 7

Relational operators

equal to
not equal to
greater than
greater than or equal to
less than
less than or equal to

Answer 7

==
!=
>
>=
<
<=

Question 8

Logical/Boolean operators

• both sides of the test must be true to return true
• either side of the test must be true to return true
• inverts

Answer 8

and
or
not

Question 9

Assignment

Answer 9

=

=

Question 10

Selection —- all

Answer 10

if :

if :
else:

if :
elif :
else:

Question 11

Repetition

Pre-conditioned loop. This executes while is true.

Answer 11

while :

Question 12

Iteration -

Executes for each element of a data structure, in one dimension

Answer 12

for in :

Question 13

Count-controlled loop. Executes a fixed number of times, based on the numbers generated by the range function

Answer 13

for in range (, ):

for in range (, ):

Question 14

In range - what is inclusive and what is exclusive ?

Answer 14

for in range (, ):

Question 15

Count-controlled loop. Executes a fixed number of times, based on the numbers generated by the range function

influences the numbers generated by the range function

Answer 15

for in range (start, stop, step):

Question 16

How to define a procedure with no parameters

Answer 16

def ():

Question 17

How to define a procedure with parameters

Answer 17

def (, ):

Question 18

How to define a function with no parameters

Answer 18

def ():

return ()

Question 19

How to define a function with parameters

Answer 19

def (, ):

return ()

Question 20

Displays on the screen

Answer 20

print ()

Question 21

Displays on the screen and returns the line typed in

Answer 21

input ()

Question 22

Built-in subprogram:

Returns the string which matches the Unicode value of

Answer 22

chr ()

Question 23

Displays the content of prompt to the screen and waits for the user to type in characters followed by a new line

Answer 23

input ()

Question 24

Returns the length of the , such as a string, one-dimensional or two-dimensional data structure

Answer 24

len ()

Question 25

Returns the integer equivalent to the Unicode string of the single character

Answer 25

ord ()

Question 26

Prints to the display

Answer 26

print ()

Question 27

Generates a list of numbers using , beginning with and up to, but not including, . A negative value for goes backwards

Answer 27

range (, , )

Question 28

Rounds x to the number of n digits after the decimal (uses the 0.5 rule)

Answer 28

round (x, n)

Question 29

List subprogram:

Adds to the end of the list

Answer 29

.append ()

Question 30

List subprogram:

Removes the item at from list

Answer 30

del list[index]

Question 31

List subprogram:

Inserts item just before an existing one at index

Answer 31

List.insert (index, item)

Question 32

List subprogram:

Two methods of creating a list structure. Both are empty

Answer 32

aList = list ()

aList = []

Question 33

String subprogram:

Returns the length of

Answer 33

len ()

Question 34

String subprogram:

Returns the location of in the original . Returns -1, if not found

Answer 34

String.find (substring)

Question 35

String subprogram:

Returns the location of in the original . Raises an exception if not found

Answer 35

String.index (substring)

Question 36

String subprogram:

Returns True, if all characters are alphabetic, A–Z

Answer 36

.isalpha ()

Question 37

String subprogram:

Returns True, if all characters are alphabetic, A–Z and digits (0–9)

Answer 37

.isalnum ()

Question 38

String subprogram:

Returns True, if all characters are digits (0–9), exponents are digits

Answer 38

.isdigit ()

Question 39

String subprogram:

Returns original string with all occurrences of replaced with

Answer 39

String.replace (s1, s2)

Question 40

String subprogram:

Returns a list of all substrings in the original, using as the separator

Answer 40

String.split (char)

Question 41

String subprogram:

Returns original string with all occurrences of char removed from the front and back

Answer 41

.strip (char)

Question 42

String subprogram:

Returns the original string in uppercase

Answer 42

.upper ()

Question 43

String subprogram:

Returns the original string in lowercase

Answer 43

.lower ()

Question 44

String subprogram:

Returns True, if all characters are uppercase

Answer 44

string.isupper ()

Question 45

String subprogram:

Returns True, if all characters are lowercase

Answer 45

.islower ()

Question 46

String subprogram:

Formats values and puts them into the

Answer 46

string.format (placeholders)