Check if list<t> contains any of another list asked 13 years, 2 months ago modified 1 year, 10 months ago viewed 261k times How to check if a value is in the list in selection from pandas data frame [duplicate] asked 12 years ago modified 3 years, 10 months ago viewed 258k times How to check list a contains any value from list b Asked 12 years, 11 months ago modified 4 years, 8 months ago viewed 163k times For example, if passed the following
A = [] how do i check to see if a is empty? I am trying to write a script in bash that check the validity of a user input I want to match the input (say variable x) to a list of valid values What i have come up with at the moment is In c# if i have a list of type bool What is the fastest way to determine if the list contains a true value
I just need to know if one e. Python check if list items are integers [duplicate] asked 12 years, 3 months ago modified 5 years, 5 months ago viewed 201k times 208 is there a pythonic way to check if a list is already sorted in asc or desc listtimestamps = [1, 2, 3, 5, 6, 7] something like isttimestamps.issorted() that returns true or false I want to input a list of timestamps for some messages and check if the the transactions appeared in the correct order. 29 we can use contains method to check if an item exists
But we can use this only if we have provided the implementation of equals and hashcode else object reference will be used for equality comparison Also, in case of a list the contains operation is o(n) where as it is o(1) for hashset so better to use later.
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