General Flashcards
What is a function?
Block or organised, reusable code that is used to perform a single, relation action.
Give an 3 examples of pythons built-in functions
abs()- Returns the absolute value of a number
all()-Returns True if all items in an iterable object are true
any()- Returns True if any item in an iterable object is true
ascii()-Returns a readable version of an object. Replaces none-ascii characters with escape character
bin()-Returns the binary version of a number
bool()-Returns the boolean value of the specified object
bytearray()-Returns an array of bytes
bytes()-Returns a bytes object
callable()-Returns True if the specified object is callable, otherwise False
chr()-Returns a character from the specified Unicode code.
classmethod()-Converts a method into a class method
compile()-Returns the specified source as an object, ready to be executed
complex()-Returns a complex number
delattr()-Deletes the specified attribute (property or method) from the specified object
dict()-Returns a dictionary (Array)
dir()-Returns a list of the specified object’s properties and methods
divmod()-Returns the quotient and the remainder when argument1 is divided by argument2
enumerate()-Takes a collection (e.g. a tuple) and returns it as an enumerate object
eval()-Evaluates and executes an expression
exec()-Executes the specified code (or object)
filter()-Use a filter function to exclude items in an iterable object
float()-Returns a floating point number
format()-Formats a specified value
frozenset()-Returns a frozenset object
getattr()-Returns the value of the specified attribute (property or method)
globals()-Returns the current global symbol table as a dictionary
hasattr()-Returns True if the specified object has the specified attribute (property/method)
hash()-Returns the hash value of a specified object
help()-Executes the built-in help system
hex()-Converts a number into a hexadecimal value
id()-Returns the id of an object
input()-Allowing user input
int() -Returns an integer number
isinstance()-Returns True if a specified object is an instance of a specified object
issubclass()-Returns True if a specified class is a subclass of a specified object
iter()-Returns an iterator object
len()-Returns the length of an object
list() -Returns a list
locals()-Returns an updated dictionary of the current local symbol table
map()-Returns the specified iterator with the specified function applied to each item
max()-Returns the largest item in an iterable
memoryview()-Returns a memory view object
min()-Returns the smallest item in an iterable
next()-Returns the next item in an iterable
object()-Returns a new object
oct()-Converts a number into an octal
open()-Opens a file and returns a file object
ord()-Convert an integer representing the Unicode of the specified character
pow()-Returns the value of x to the power of y
print()-Prints to the standard output device
property()-Gets, sets, deletes a property
range()-Returns a sequence of numbers, starting from 0 and increments by 1 (by default)
repr()-Returns a readable version of an object
reversed()-Returns a reversed iterator
round()-Rounds a numbers
set()-Returns a new set object
setattr()-Sets an attribute (property/method) of an object
slice()-Returns a slice object
sorted()-Returns a sorted list
staticmethod()-Converts a method into a static method
str() -Returns a string object
sum()-Sums the items of an iterator
super()-Returns an object that represents the parent class
tuple()-Returns a tuple
type()-Returns the type of an object
vars()-Returns the __dict__ property of an object
zip() -Returns an iterator, from two or more iterators
Give an example of client side programs
1) Javascript
2) VBScript
3) HTML
4) CSS
5) AJAX
Give an example of server-side program
1) PHP
2) C++
3) Java and JSP
4) Python
5) Ruby on Rails
How to you concatenate strings?
print() with commas or without to make them one string you can also use the + function
How can you add a space at the end of each work in a print statement
print (‘work’, end=’ ‘)
How could you add a space in between two strings when printing?
print(‘word 1’, ‘word 2’, sep=’ ‘)
What is an int? give an example
A positive whole number 1, 2,3,4…
What is a float? give an example
A decimal number. 1.1, 1.2, 1.3
What does the type() function do?
confirms the value something i.e. type(1), would be an int
What is the arithmetic operator for addition
+
What is the arithmetic operator for subtraction
-
What is the arithmetic operator for multiplication
*
What is the arithmetic operator for division?
/
what is integer division? What is the arithmetic operator for integer division?
Dividing and returning the nearest int. //
What is the arithmetic operator for exponent (calculating a number to the power of another number?)
**
What is modulus? What is the arithmetic operator for modulus?
Dividing and returning the remainder after division %
What is booleans value? how do you call?
bool() and it is true of false value
