how to check if a number is in an array python code example
Example 1: 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 2: how to check an array for a value in python
s = set(a)
if 7 in s:
# do stuff
Example 3: python check array exists
array = [1,2,3,4]
exists_2 = 2 in array
print(exists_2) # True
exists_5 = 5 in array
print(exists_5) # False