python check if list contains a substring code example

Example 1: 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 2: python check if string contains one of characters list

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

Example 3: python find string in list

list1 = ["a", "b", "c"]

isBInList = "b" in list1 # True