Method #2: Using in keyword. Checking multiple values for a variable [duplicate] Ask Question Asked 9 years, . We can create a function to append key-value pairs in a dictionary, with the value being a list. Here is an example to return a list that contains multiple values, from python. How To Check Item Exist In Python List - DevEnum.com # here ls is a list of values a in ls. How to Return Multiple Values from a Python Function 24, Jan 22. In Python dictionary, if you want to display multiple keys with the same value then you have to use the concept of for loop and list comprehension method. If it is not, then it must be NaN value. . To check a given value exists in the dataframe we are using IN operator with if statement. To check if the item exists in the Python list, use the list.count () method. In the above code, we have to use the replace () method to replace the value in Dataframe. It will return True if the value is NaN/null. # .. return name, birthdate. print(x) Try it Yourself ». In this code example, we are doing extraction of specific keys from a Python dictionary by using nested for loop. To then access/store these values into variables, use the tuple destructuring. But it is also possible that there are multiple conditions to execute the loop. General Idea: In Python, if we want a dictionary to have multiple values for a single key, we need to store these values in their own container within the dictionary. Multiple strings exist in another string : Python Python any () Function Python any () function accepts iterable (list, tuple, dictionary etc.) That means if we have a tuple of t = (0, 1, 2), all (t) will return False as the first element 0 will be evaluated as False. Remove same values from array containing multiple values JavaScript; How to check whether a JavaScript date is valid? Using PySpark. How To Check If Key Exists In Dictionary In Python? - Stack Vidhya