Methods Documentation

`str`

`str.find`

Find and return index of first occurance of needle, or -1 if not found. str.find(self, needle)

Arguments

Argument	Information
`self`	self argument
`needle`	`str` needle

Example

"abc".find("b") == 1 == True

Returns

Index - int

`str.replace`

Replace all occurances in a string. str.replace(self, needle, val)

Arguments

Argument	Information
`self`	self argument
`needle`	`str` to be replaced
`val`	`str` to replace

Example

"abc".replace("a","b") == "bbc" == True

Returns

New string - str

`str.join`

Join an iterator with a string. str.join(self, iter)

Arguments

Argument	Information
`self`	self argument
`iter`	iterable to be joined

Example

" ".join([1,2,3]) == "1 2 3 " == True

Returns

New string - str

`str.split`

Split a string on string needle. str.split(self, needle="")

Arguments

Argument	Information
`self`	self argument
`needle`	needle to split on, defaults to `""`

Example

"abc".split("b") == ["a","c"] == True

Returns

New list - list

`str.upper`

Return a new string with all characters uppercase. str.upper(self)

Arguments

Argument	Information
`self`	self argument

Example

"abc".upper() == "ABC" == True

Returns

New string - str

`str.lower`

Return a new string with all characters lowercase. str.lower(self)

Arguments

Argument	Information
`self`	self argument

Example

"ABC".lower() == "abc" == True

Returns

New string - str

`str.isspace`

Return True if string is only whitespace, otherwise, False. str.isspace(self)

Arguments

Argument	Information
`self`	self argument

Example

"abc".isspace() == False == True

Returns

New boolean - bool

`str.isalpha`

ReturnTrue if string is only alphabetic characters, otherwise, False. str.isalpha(self)

Arguments

Argument	Information
`self`	self argument

Example

"abc".isalpha() == True == True

Returns

New boolean - bool

`str.isnumeric`

Returns True if string is only numbers, otherwise, False. str.isnumeric(self)

Arguments

Argument	Information
`self`	self argument

Example

"123".isnumeric() == True == True

Returns

New boolean - bool

`str.isupper`

Return True if string is only uppercase characters, otherwise, False. str.isupper(self)

Arguments

Argument	Information
`self`	self argument

Example

"abc".isupper() == False == True

Returns

New boolean - bool

`str.islower`

Return True if string is only lowercase characters, otherwise, False. str.islower(self)

Arguments

Argument	Information
`self`	self argument

Example

"abc".islower() == True == True

Returns

New boolean - bool

`str.count`

Get count of substring in a string str.count(self, substr)

Arguments

Argument	Information
`self`	self argument
`substr`	substring

Example

"abca".count("a") == 2 == True

Returns

New int - int

`str.strip`

Strips whitespace off a string str.strip(self)

Arguments

Argument	Information
`self`	self argument

Example

"12 ".strip() == "12" == True

Returns

New string - str

`str.lstrip`

Strips leading whitespace off a string str.kstrip(self)

Arguments

Argument	Information
`self`	self argument

Example

"12 ".lstrip() == "12 " == True

Returns

New string - str

`str.rstrip`

Strips trailing whitespace off a string str.strip(self)

Arguments

Argument	Information
`self`	self argument

Example

"12 ".rstrip() == "12" == True

Returns

New string - str

`str.contains`

Return True is needle is found in self, otherwise, False str.contains(self, needle)

Arguments

Argument	Information
`self`	self argument
`needle`	`str` needle

Example

"abc".contains("c") == True

Returns

Boolean - bool

`str.encode`

Encodes self as encoding encoding str.encode(self, encoding)

Arguments

Argument	Information
`self`	self argument
`encode`	encoding

Returns

Bytes object containing encoded string - bytes

`str.startswith`

Return True if the string starts with needle, otherwise, False. str.startswith(self, needle)

Arguments

Argument	Information
`self`	self argument
`needle`	needle

Returns

Boolean - bool

`str.endswith`

Return True if the string ends with needle, otherwise, False. str.endswith(self, needle)

Arguments

Argument	Information
`self`	self argument
`needle`	needle

Returns

Boolean - bool

`str.rfind`

Return the last occurence of needle, or -1; str.rfind(self, needle)

Arguments

Argument	Information
`self`	self argument
`needle`	needle

Returns

Index - int

`list`

`list.find`

Find and return index of first occurance of argument needle, or -1. list.find(self, needle)

Arguments

Argument	Information
`self`	self argument
`needle`	needle

Arguments

Argument	Information
`self`	self argument
`idx`	index to insert at
`val`	value to insert

Example

a=[1,2,3]
a.insert(0, "A")
a == ["A",1,2,3] == True

Returns

None

`list.remove`

Removes first occurrence of value from list list.remove(self, val)

Arguments

Argument	Information
`self`	self argument
`val`	value to insert

Example

a=[1,2,3]
a.remove(1)
a == [2,3] == True

Returns

None

`list.extend`

Extends list by passed iterator list.extend(self, it)

Arguments

Argument	Information
`self`	self argument
`it`	iterator

Example

a=[1,2,3]
a.extend({4,5,6})
a == [1,2,3,4,5,6] == True

Returns

None

`dict`

`dict.keys`

Returns a list of keys. dict.keys(self)

Arguments

Argument	Information
`self`	self argument

Returns

New dict - dict

`tuple`

`tuple.find`

Find and return index of first occurance of argument needle, or -1. tuple.find(self, needle)

Arguments

Argument	Information
`self`	self argument
`needle`	needle

Example

(1,2,3).find(2) == 1 == True

Returns

Index - int

`file`

`file.read`

Returns contents of an open, readable file object. file.read(self)

Arguments

Argument	Information
`self`	self argument

Example

file("test.txt"),"r".read() == "ABC" == True

Returns

Contents of file - str

`file.close`

Closes a file object. file.close(self)

Arguments

Argument	Information
`self`	self argument

Example

file("test.txt","r").close() == None == True

Returns

None

`file.seek`

Seeks to absolute position in an open file object. file.seek(self, idx)

Arguments

Argument	Information
`self`	self argument
`idx`	absolute index to seek to

Example

file("test.txt","r").seek(10) == None == True

Returns

None

`file.write`

Writes val.__str__() to open, writeable file object. file.seek(self, val)

Arguments

Argument	Information
`self`	self argument
`val`	object to write

Example

file("test.txt", "w").write(123).read() == "123" == True

Returns

File object - file

`file.size`

Returns the size of open file object. file.size(self)

Arguments

Argument	Information
`self`	self argument

Example

file("test.txt","r").size() == 3 == True

Returns

Size - int

`file.flush`

Flushes file file.flush(self)

Arguments

Argument	Information
`self`	self argument

Example

file("test.txt","w").flush() == None == True

Returns

None

`set`

`set.find`

Find and return index of first occurance of argument needle, or -1. set.find(self, needle)

Arguments

Argument	Information
`self`	self argument
`needle`	needle

Example

{1,2,2,3}.find(2) == 1 == True

Returns

Index - int

`set.add`

Adds item to set if the item does not exist set.add(self, item)

Arguments

Argument	Information
`self`	self argument
`item`	item to add

Example

{1,2,2,3}.add(4) == {1,2,2,3,4} == True

Returns

None - None

`set.remove`

Tries to remove item from the set. On failure, raise KeyError set.remove(self, item)

Arguments

Argument	Information
`self`	self argument
`item`	item to remove

Example

a={1,2,3}
a.remove(3)
a == {1,2} == True

Returns

None - None

`set.union`

Returns the union of set self and set other. set.union(self, item)

Arguments

Argument	Information
`self`	self argument
`other`	other set

Example

a={1,2,3}
a=a.union({4,})
a == {1,2,3,4} == True

Returns

None - None

Bytes

`bytes.decode`

Decodes self into a string, interpreting bytes in selfas encoding bytes.encode(self, encoding)

Arguments

Argument	Information
`self`	self argument
`encode`	encoding

Returns

Decoded string - str

`bytes.hex`

Converts byte object to a hexadecimal string. bytes.hex(self)

Arguments

Argument	Information
`self`	self argument

Returns

Hexadecimal string - str

`bytearray`

`bytearray.find`

Find and return index of first occurance of argument needle, or -1. bytearray.find(self, needle)

Arguments

Argument	Information
`self`	self argument
`needle`	needle

Arguments

Argument	Information
`self`	self argument
`idx`	index to insert at
`val`	value to insert

Example

a=bytearray([1,2,3])
a.insert(0, "A")
a == ["A",1,2,3] == True

Returns

None

`bytearray.remove`

Removes first occurrence of value from bytearray bytearray.remove(self, val)

Arguments

Argument	Information
`self`	self argument
`val`	value to insert

Example

a=bytearray([1,2,3])
a.remove(1)
a == bytearray([2,3]) == True

Returns

None

`bytearray.extend`

Extends bytearray by passed iterator bytearray.extend(self, it)

Arguments

Argument	Information
`self`	self argument
`it`	iterator

Example

a=bytearray([1,2,3])
a.extend({4,5,6})
a == bytearray([1,2,3,4,5,6]) == True

Returns

None

`bytearray.hex`

Converts bytearray object to a hexadecimal string. bytearray.hex(self)

Arguments

Argument	Information
`self`	self argument

Returns

Hexadecimal string - str

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