Python Array Contains: How To Check If Item Exists In Array?

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in python to define or create an array data containing websites names:

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Python Arrays

python array contains Examples

websites = ["pakainfo", "infinityknow", "4cgandhi"]

print(websites)

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python list contains

python check if list contains

python check if list contains elements of another list

# To check if a simple array data certain element is contained in a list use 'in'
products = ['apple', 'banana', 'orange']
'apple' in products
# Output:
# True

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How to check if a value exists in NumPy Array?

in python Numpy arrays are all the data data structures for efficiently simpy best way to storing and using all the array data. here you can also Checking if a value exists in an array best tests modes if the array or any data elements of the python array contain the value.

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To test if product_id is present in a NumPy array products, use product_id in products which evaluates to True if products data contains product_id and False otherwise.

here python check if string contains substring from list

product_id = 20
products = np.array([[1, 15],
                [2, 20]])

if product_id in products:
    print(True)
else:
    print(False)

The Length of an Array in Python

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websites = ["pakainfo", "infinityknow", "4cgandhi"]

total_products = len(websites)

print(total_products)