check if string not in array python code example

Example 1: python check string not exist in array

arr_test = ["thetung1","thetung2","thetung3"]
title = "thetung"
if title not in arr_test:
	arr_test.append(title)

Example 2: python check string or number array

numbers = []
animals = []
with open('textfile.txt') as f:
    for x in f:
        try:
            numbers.append(int(x.replace("\n", "")))
        except:
            animals.append(str(x.replace("\n", "")))
print(numbers)
print(animals)

# Output
# [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
# ['dog', 'cat', 'fish', 'bird']