Module 1 Graded Quiz

1.What is the value of x after the following lines of code?

2 ✓

Correct: Correct: the value x=x+1 changes the value of x, if x is assigned to its self. It’s helpful to replace the value of x with its current value in this case 1 or x=1+1.

2.What is the result of the following operation 1+3*2 ?

Correct: Correct, Python follows the standard mathematical conventions

3.What is the type of the following “7.1”

Correct: correct, the type is string

4.What is the result of the following code segment: int(False)

1 ✓

error

correct: correct, when you cast a boolean True to an integer you get a 1

5.In Python, what is the result of the following operation: ‘1’+’2′ ?

Correct :correct, the ‘+’ applied to strings does not add strings but concatenates them

6.Given myvar = ‘hello’ , how would you return myvar as uppercase?

7.What is the result of the following : str(1+1) ?

‘2’ ✓

’11’

7. What is the result of the following : str(1)+str(1) ?

‘abC’ ✓

‘ABc’

Correct: correct, the method replace returns a copy of the string with all occurrences of the old substring

8.What is the result of the following: “123”.replace(“12”, “ab”) ?

Correct: correct, the method replace returns a copy of the string with all occurrences of the old substring

9.In Python 3, what is the type of the variable x after the following: x=2/2 ?

Correct: correct, in Python 3, regular division always results in a float

Module 1 Graded Quiz >> Python for Data Science, AI & Development

Related Questions & Answers: