checking if a list contains an item python [Good way]

In this post, we will write a good and bad way that check if a list has items.

1. check if a list contains item [Good way]
2. check if a list contains item [Bad way]

check if a list contains item [Good way]

    
#check if the list contains item

#list
list_1 = ("item_1", "item_2", "item_3")

#check if list is not empty
if list_1:
    print("Yes! the list contains items")

output

Yes! the list contains items

as you can see, the code detects that list has items

check if a list contains item [Bad way]

    
#check if the list contains item

#list
list_1 = ("item_1", "item_2", "item_3")

#check if list is not empty
if len(list_1) > 0:
    print("Yes! the list contains items")

as you can see, the code detect that list has items

output

Yes! the list contains items

Oh!, it's working, but this is the most common mistake that Python developers make. So, if you wanna check if the list contains items or not, you should do like the first example.

checking if a list contains an item python [Good way]

Contents

check if a list contains item [Good way]

check if a list contains item [Bad way]

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