how to check if a number is in a list 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 value is in list python

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

Example 3: 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 4: 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 5: 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