What are the benefits of Python?
The benefits of Python are as follows:
Advanced Python Interview Questions for Experienced Developers
1 What is the difference between .py and .pyc files?
py files are Python source files. .pyc files are the compiled bytecode files that are generated by the Python compiler
Advanced Python Interview Questions for Experienced Professionals
A lambda function is an anonymous function (a function that does not have a name) in Python. To define anonymous functions, we use the ‘lambda’ keyword instead of the ‘def’ keyword, hence the name ‘lambda function’. Lambda functions can have any number of arguments but only one statement.
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8 How do you identify missing values and deal with missing values in Dataframe?
isnull() and isna() functions are used to identify the missing values in your data loaded into dataframe.
Handling missing Values:
There are two ways of handling the missing values :
Replace the missing values with 0
Replace the missing values with the mean value of that column
4 How do we convert the string to lowercase?
the lower() function is used to convert string to lowercase.
Which one of the following is not the correct syntax for creating a set in Python?
Explanation: The argument given for the set must be iterable.
What is the Dogpile effect?
This is defined as an occurrence of an event when the cache expires and also when the websites are hit with more requests by the client at a time. This dogpile effect can be averted by the use of a semaphore lock. If in the particular system the value expires then, first of all, the particular process receives the lock and begins generating new value.
8 What is pandas?
Pandas is an open source python library which supports data structures for data based operations associated with data analyzing and data Manipulation . Pandas with its rich sets of features fits in every role of data operation,whether it be related to implementing different algorithms or for solving complex business problems. Pandas helps to deal with a number of files in performing certain operations on the data stored by files.