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Questions and Answers
What is the purpose of the len() function in Python?
What is the purpose of the len() function in Python?
- To remove whitespaces from a string
- To get the number of characters in a string (correct)
- To convert a string to uppercase
- To concatenate two strings
How do you access a character in a string in Python?
How do you access a character in a string in Python?
- By using the string name followed by the index in curly brackets
- By using the string name alone
- By using the string name followed by the index in square brackets (correct)
- By using the string name followed by the index in parentheses
What is the syntax for slicing in Python?
What is the syntax for slicing in Python?
- [start:end]
- [start:end:step] (correct)
- [start:end:-1]
- [start:end, step]
What operation is performed on strings using the + symbol?
What operation is performed on strings using the + symbol?
What is the difference between '2' and 2 in Python?
What is the difference between '2' and 2 in Python?
What happens when you try to concatenate a string with an integer in Python?
What happens when you try to concatenate a string with an integer in Python?
What is the purpose of the str() function in Python?
What is the purpose of the str() function in Python?
What is the result of using a string method on a string in Python?
What is the result of using a string method on a string in Python?
What is the purpose of the len() function in Python?
What is the purpose of the len() function in Python?
How do you check if an item is present in a list in Python?
How do you check if an item is present in a list in Python?
What is the difference between a list and a tuple in Python?
What is the difference between a list and a tuple in Python?
What is the purpose of the append() method in a list in Python?
What is the purpose of the append() method in a list in Python?
What is the primary difference between a list and a dictionary in Python?
What is the primary difference between a list and a dictionary in Python?
How do you get all the keys in a dictionary?
How do you get all the keys in a dictionary?
What is the purpose of the items() method in a dictionary?
What is the purpose of the items() method in a dictionary?
How do you check if a key exists in a dictionary?
How do you check if a key exists in a dictionary?
How do you convert a list of tuples into a dictionary?
How do you convert a list of tuples into a dictionary?
How do you store dictionary keys in a list?
How do you store dictionary keys in a list?
