how to check for an element in a list in python code example

Example 1: how to check an element in a list in python

thislist = ["apple", "banana", "cherry"]
if "apple" in thislist:
  print("Yes, 'apple' is in the fruits list")

Example 2: 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 3: Check if element in list Python

listA = [item1, item2, item3]
if item4 in listA:
  print('yes, item4 is in the list')
else:
  print('no, item4 is not in the list')

Example 4: check if a number is in a list python

5 in [3, 4, 5, 6, 7]
# True

9 in [3, 4, 5, 6, 7]
# False

Example 5: python find if part of list is in list

'''    
    check if list1 contains all elements in list2
'''
result =  all(elem in list1  for elem in list2)
if result:
    print("Yes, list1 contains all elements in list2")    
else :
    print("No, list1 does not contains all elements in list2"

Example 6: python find if element in list

element_you_want_to_find in list_in_you_want_to_search
Note: Don't forget to substitute both of that variables with the variables you want

  Conclusion: Use the in operator