python how to check if a list contains an item code example

Example 1: check if a list contains an item from another list python

## checking any elment of list_B in list_A
list_A = [1, 2, 3, 4]

list_B = [2, 3, 6]

check = any(item in list_A for item in list_B)

print(check)
# True

Example 2: 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

Example 3: if list item in string python

if any(ext in url_string for ext in extensionsToCheck):
    print(url_string)

Example 4: python check if list contains value

if value in list:
  #do stuff

#Also to check if it doesn't contain
if value not in list:
  #do stuff