Python

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PYTHON BUILT IN FUNCTIONS

• Abs()-Returns the absolute value of a number
• For Example, x  abs(-7.25)
• All()-Returns True if all items in an iterable
  object are true
• For Example, mylist True,
  True, Truex  all(mylist)
• Bin()-Returns the binary version of a number
• For Example, x  bin(36)
• Bool()-Returns the boolean value of the specified
  object
• For Example, x  bool(1)

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• Compile()-Returns the specified source as an
  object, ready to be executed
• For Example, mytext
   'print(55)' x
   compile('mytext', 'test', 'eval')
  exec(x)
• Complex()-Returns a complex number
• For Example, x
   complex(3, 5)
• Dict()-Returns a dictionary 
• For Example, x  dict(name
   "John", age  36, country  "Norway")

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• Dir()- Returns a list of the specified object's
  properties and methods
• For Example, class Person  name
   "John"  age  36  country  "Norway"print(di
  r(Person))
• Eval()-Evaluates and executes an expression
• For Example, x  'print(55)
• eval(x)

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• Exec()-Executes the specified code (or object)
• For Example, x  'name
  "John"\nprint(name)'exec(x)
• Filter()-Use a filter function to exclude items
  in a iterable object
• For Example,
• ages 5, 12, 17, 18, 24, 32
  def myFunc(x)  if x lt 18    return False  e
  lse    return True

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• adults  filter(myFunc, ages)for x in adults  
  print(x)
• Float()- Returns a floating point number
• For Example, x  float(3)
• Format()-Formats a specified value
• For Example, x  format(0.5, '')
• Forzenset()-Returns a frozenset object
• For Example, mylist
  'apple', 'banana', 'cherry'x
   frozenset(mylist)

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• Getattr()-Returns the value of the specified
  attribute (property or method)
• For Example, class Person 
  name  "John"  age  36  country  "Norway"x
   getattr(Person, 'age')
• Globals-Returns the current global symbol table
  as a dictionary
• For Example, x  globals()print(x)

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• Hash()-Returns the hash value of a specified
  object
• Hex()-Converts a number into a hexadecimal value
• For Example, x  hex(255)
• Id()-Returns the id of an object
• For Example, x  ('apple', 'banana', '
  cherry')y  id(x)
• Input()-Allowing user input
• For Example, print('Enter your name')
• x  input()print('Hello, '  x)

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• Len() Returns the length of an object
• For Example, mylist
  "apple", "banana", "cherry"x  len(mylist)
• List()-Returns a list
• For Example, x  list(('apple', 'banan
  a', 'cherry'))
• Locals()- Returns an updated dictionary of the
  current local symbol table
• For Example, x  locals()print(x)

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• Map()-Returns the specified iterator with the
  specified function applied to each item
• For Example, def myfunc(n)  return 
  len(n)x  map(myfunc, ('apple', 'banana', 'cherr
  y'))
• Max()-Returns the largest item in an iterable
• For Example, x  max(5, 10)
• Min()-Returns the smallest item in an iterable
• For Example, a (1, 5, 3, 9)x  min(a)

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• Ord()-Convert an integer representing the Unicode
  of the specified character
• For Example, x  ord("h")
• Pow()-Returns the value of x to the power of y
• For Example, x  pow(4, 3)
• Print()-Prints to the standard output device
• For Example,  print("Hello World")
• Range()-Returns a sequence of numbers, starting
  from 0 and increments by 1 (by default)
• For Example, x  range(6)for n in x
    print(n)

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• Set()-Returns a new set object
• For Example, x  set(('apple', 'bana
  na', 'cherry'))
• Sort()-Returns a sorted list
• For Example, a ("a", "b", "c", "d",
   "e", "f", "g", "h")x  slice(2)print(ax)
• Tuple()-Returns a tuple
• For Example, x  tuple(('apple', 'bana
  na', 'cherry'))

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