>>> ["foo", "bar", "baz"].index("bar") 1

python find item in list

# There is several possible ways if "finding" things in lists. 'Checking if something is inside' 3 in [1, 2, 3] # => True 'Filtering a collection' matches = [x for x in lst if fulfills_some_condition(x)] matches = filter(fulfills_some_condition, lst) matches = (x for x in lst if x > 6) 'Finding the first occurrence' next(x for x in lst if ...) next((x for x in lst if ...), [default value]) 'Finding the location of an item' [1,2,3].index(2) # => 1 [1,2,3,2].index(2) # => 1 [1,2,3].index(4) # => ValueError [i for i,x in enumerate([1,2,3,2]) if x==2] # => [1, 3]

python find in list

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