Use Case – Where we need to store data that will stay the same. Example – Python Copy Code Run Code 1 2 3 4 5 6 7 tuple1 = ("a", "b", "c", "d") # modifying element: tuple1[2] = "g" # Should give an error # tuple object does not support item assignment. Are...
9. What is reindexing in Pandas? Reindexing in Pandas is the process of altering the index of a DataFrame or Series to match a new set of labels. It can be used to rearrange data according to a new index or to align data from multiple sources. Reindexing allows for handling missing da...
Python Interview Questions for Freshers 1. What is __init__? 2. What is the difference between Python Arrays and lists? 3. Explain how can you make a Python Script executable on Unix? 4. What is slicing in Python? 5. What is docstring in Python? 6. What are unit tests in Python...
PYTHONCASEOK − It is used in Windows to instruct Python to find the first case-insensitive match in an import statement. Set this variable to any value to activate it. What is the purpose of PYTHONHOME environment variable? PYTHONHOME − It is an alternative module search path. It is ...
Yes. Python is a case sensitive language. 7. What is pickling and unpickling in Python? Pickling: Pickling is a process in which pickle module accepts any Python object and converts it into a string representation and dumps the same into a file by calling the dump method. ...
9.What is the purpose of the PYTHONCASEOK variable? This is a variable specifically for running Python on the Windows operating system. It tells the Python interpreter to use case-insensitive match when trying to find imported libraries.
Explain the.promise()method in jQuery, including how and why it would be used. Consider the code snippet below. If there are 5elements on the page, what will be the difference between the start and end times displayed? function getMinsSecs() { var dt = new Date(); return dt.getMinute...
A query in Elasticsearch is used to retrieve documents that match a specific set of criteria. Queries are used to search for specific data within the index. A filter, on the other hand, is used to limit the results of a search. Filters are used to narrow down the results based on speci...
And for converting a string to uppercase, we can use the upper() function. Lastly, we can use the capitalize() method to capitalize the first letter of a string. Q2. What do you know about self in Python? Self is an instance/object of a class and is explicitly included in Python ...
One advantage of an interpreted language like Python is that it can be run on any platform with a Python interpreter installed. This makes Python a very portable language and one that is widely used in a variety of different applications, including web development, data analysis, machine learning...