PYTHON

python check if list contains

# To check if a certain element is contained in a list use 'in'
bikes = ['trek', 'redline', 'giant']
'trek' in bikes
# Output:
# True

python list contain list

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

python list contain list

#There's an all() and any() function to do this. To check if big contains ALL elements in small

result = all(elem in big for elem in small)
#To check if small contains ANY elements in big

result = any(elem in big for elem in small)
#the variable result would be boolean (TRUE/FALSE).

python list contains

list_ = ['a','b','c']
'a' in list_	#returns True
'd' in list_	#returns False