Exploring Python Data Types

Front

Which of these is not a core data type? List, Tuple, Set, Class

Back

Class

Front

How do you declare a float variable in Python? Options: my_float : float = 3.14, float my_float = 3.14, my_float = 3.14, my_float = 3,14

Back

my_float = 3.14

Front

What is the output of the expression 3.14 + 2.86?

Back

6.00

Front

How do you concatenate two strings in Python?

Back

Use the '+' operator to concatenate strings.

Front

What is the difference between a list and a tuple in Python?

Back

Lists are mutable; tuples are immutable.

Front

How do you access the first element of a list in Python? Options: my_list.first(), my_list[1], get_first(my_list), my_list[0]

Back

my_list[0]

Front

What method would you use to find the length of a string? Options: Use the 'size' method., Use the 'length' method or function., Count the characters manually., Use the 'getLength' function.

Back

Use the 'length' method or function.

Front

What data type is the object below ? li = [1, 23, ‘hello’, 1]

Back

List

Front

What is the output of the expression len([1, 2, 3])?

Back

3

Front

Which of the following function convert a string to a float in python?
Options: int(x [,base]), long(x [,base]), float(x), str(x)

Back

float(x)