# To check if a certain element is contained in a list use ‘in’<br /> bikes = [‘trek’, ‘redline’, ‘giant’]<br /> ‘trek’ in bikes<br /> # Output:<br /> # True

y = any(x in String for x in List)

if any(ext in url_string for ext in extensionsToCheck):<br /> print(url_string)

listA = [item1, item2, item3]<br /> if item4 in listA:<br /> print(‘yes, item4 is in the list’)<br /> else:<br /> print(‘no, item4 is not in the list’)

if value in list:<br /> #do stuff</p> <p>#Also to check if it doesn’t contain<br /> if value not in list:<br /> #do stuff

>>> items = set([-1, 0, 1, 2])<br /> >>> set([1, 2]).issubset(items)<br /> True<br /> >>> set([1, 3]).issubset(items)<br /> False

str in strList</p> <p># example<br /> if ‘qwe’ in strList:<br /> print(‘Yes!’)

#There’s an all() and any() function to do this. To check if big contains ALL elements in small</p> <p>result = all(elem in big for elem in small)<br /> #To check if small contains ANY elements in big</p> <p>result = any(elem in big for elem in small)<br /> #the variable result would be boolean (TRUE/FALSE).

#This is the list. You can place it in other file and import it.</p> <p>“In the same file:”</p> <p>MyList = [“something”, “something2”, “something3”]</p> <p>IncredibleWord = “something”</p> <p>if IncredibleWord in MyList:<br /> print(“Yes, IncredibleWord is in your list”)</p> <p>else:<br /> print(“No, IncredibleWord isn’t in your list”)</p> <p>#—————————————————————————— </p> <p>“If your list is in an other file:”</p> <p>#OtherFile<br /> MyList = [“something”, “something2”, “something3”]</p> <p>#MyMainFile<br /> #Variables and lists for example<br /> from OtherFile import *</p> <p> IncredibleWord = “something”</p> <p>if IncredibleWord in MyList:<br /> print(“Yes, IncredibleWord is in your list”)</p> <p>else:<br /> print(“No, IncredibleWord isn’t in your list”)</p> <p>#——————————————————————————-<br /> #Only a variable or a list for example<br /> from OtherFile import <List Name></p> <p> IncredibleWord = “something”</p> <p>if IncredibleWord in MyList:<br /> print(“Yes, IncredibleWord is in your list”)</p> <p>else:<br /> print(“No, IncredibleWord isn’t in your list”)</p> <p>

list_ = [‘a’,’b’,’c’]<br /> ‘a’ in list_ #returns True<br /> ‘d’ in list_ #returns False