python dataframe index

on a givven x, Y and button. button is defined as 1 = left, 2 = right, 3 = middle. "" " Self.press (x, Y, button) self.release (x, Y, button) def move (self, x, y): "" Move the mouse to a givven x and Y "" "Raise Notimplementederror def position (self): "" "Get the current mouse position in pixels. Returns a tuple of 2 integers "" "Raise Notimplementederror def Screen_size (self): '" "Get the current Scre En size in pixels. Returns a tuple of 2 integers "" "Raise Notimplementeder

;> a{1: ' One ', ' Little white ': None}>>> A.setdefault (5, ' five ')' Five '>>> a{1: ' One ', ' Little white ': None, 5: ' Five '}A.update (b) to modify a by the property of the key of B, or to modify it without adding>>> B = {' Small white ': ' Dog '}>>> a.update (b)>>> a{1: ' One ', ' Little white ': ' Dog ', 5: ' Five '}>>> B = {' Small yellow ': ' da Dog '}>>> a.update (b)>>> a{1: ' One ', ' Little white ': ' Dog ', 5: ' Five ', ' Little Yellow ': ' Da Dog '}

Indexes and Shards>>> Wu = ' wuang '>>> Wu[0]' W '>>> Wu[1]' U '>>> wu[1:]' Uang '>>> Wu[1:3]' UA '>>> Wu[-1]' G '>>> Wu[:-1]' Wuan 'Index: Wu[i]The first element has an offset of 0[0]: first element[-1]: last elementShard Wu[i:j]Upper boundary (i) does not containIf I is not given, the default is 0Wu[1:3]Wu[:3]WU[:-1]wu[:]Shards also have a limit valueCalled SteppingWU[I:J:K]Offset to I until j-i, indexed once per k elementWu[1:4:2]The result is>>> W

Add/Update (OVERWRITE=TRUE)# Coding=utf-8import Requestsdata = {"Add": {"Doc": {"id": "10001", "Item_title": "I am a good person"}}} # The data to add params = {" Boost ": 1.0," Overwrite ":" true "," Commitwithin ": + # Overwrite: If there is already data for this ID in SOLR, overwrite it with url = '/http ' 127.0.0.1:8080/solr/collection1/update?wt=json ' # request urlheaders = {"Content-type": "Application/json"} # Request header (indicates that the content is in JSON format) R = Req

This article mainly introduces the index () method in Python using the tutorial, is the basic knowledge of Python introductory learning, need friends can refer to the The index () method determines string str if a substring of the string or string is found at the end of the start