Answers for "check if list already contains item python"

9

check if a list contains an item from another list python

## checking any elment of list_B in list_A
list_A = [1, 2, 3, 4]

list_B = [2, 3, 6]

check = any(item in list_A for item in list_B)

print(check)
# True
Posted by: Guest on May-17-2020
3

python check if list contains elements of another list

## checking all elements of list_B in list_A
list_A = [1, 2, 3, 4]
list_B = [2, 3]

check = all(item in list_A for item in list_B)

print(check)
# True
Posted by: Guest on May-17-2020
2

check if a list contains any item from another list python

## using set
list_A = [1, 2, 3, 4]
list_B = [2, 3]

set_A = set(list_A)
set_B = set(list_B)

print(set_A.intersection(set_B))

# True if there is any element same
# False if there is no element same
Posted by: Guest on May-17-2020
15

python check if list contains

# To check if a certain element is contained in a list use 'in'
bikes = ['trek', 'redline', 'giant']
'trek' in bikes
# Output:
# True
Posted by: Guest on February-19-2020

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