python check string not exist in array
arr_test = ["thetung1","thetung2","thetung3"]
title = "thetung"
if title not in arr_test:
arr_test.append(title)python check string not exist in array
arr_test = ["thetung1","thetung2","thetung3"]
title = "thetung"
if title not in arr_test:
arr_test.append(title)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) # FalseCopyright © 2021 Codeinu
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