how to check if a list contains a number in python code example

Example 1: how to check if any item in list is in anoter list

# checking all elements of list_B in list_A
list_A = [1, 2, 3, 4]
list_B = [2, 3]

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: how to check if value is in list python

>>> letters = [a,b,c,d,e]
>>> 'a' in letters:
True

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

Example 5: how to check if element is in list python

'''    
    check if element NOT exist in list using 'in'
'''
if 'time' not in listOfStrings :
    print("Yes, 'time' NOT found in List : " , listOfStrings)