Google IT Automation with Python Professional Certificate • STUDY MODE
EXPRESSIONS AND VARIABLES
QUESTION 1 OF 2
What do you call a combination of numbers, symbols, or other values that produce a result when evaluated?
Right on! An expression is a combination of values, variables, operators, and calls to functions.
A
An explicit conversion
B
An expressionCorrect Answer
C
A variable
D
An implicit conversion
QUESTION 2 OF 2
Why does this code raise an error:
1 print("1234"+5678)
Right on! Python can add a number to a number or a string to a string, but it doesn)t know how to add a number to a string.
A
Because Python doesn)t know how to add an integer or float data type to a string.Correct Answer
B
Because in Python it)s only possible to add numbers, not strings.
C
Because in Python it)s not possible to print integers.
D
Because numbers shouldn)t be written between quotes.
Ready to test your recall?
What do you call a combination of numbers, symbols, or other values that produce a result when evaluated?
Right on! An expression is a combination of values, variables, operators, and calls to functions.