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)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')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"Copyright © 2021 Codeinu
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