Crowdly

Which of the following occurs when importing a module?

Python downloads the module from the internet

All code inside the module is executed (run)

The module file is opened for the user to edit

Only function definitions inside the module are executed (run)

Which is the file extension of a user-defined module in Python?

.script

.function

.py

.fx

.module

What is one limitation of lambda functions as opposed to regular python functions?

Lambda functions can only be used once after being defined

Lambda functions cannot contain code from other functions or libraries

Lambda functions can only take a single input variable

Lambda functions must be defined in a single line of code

Which of the following is false about lambda functions?

They can have multiple inputs

They can have multiple outputs

They don't require an external function file

They can have multiple executable statements

They can be called the same way as regular functions

What is the value of a after the running the following commands?

import numpy as np
sqr = lambda x: x**2
a = sqr(np.arange(1,6))

[ 1 4 9 16 25 36]

Error

Which of the following correctly defines a lambda function that takes an input number and returns its value multiplied by three:

triple = lambda x: x * 3

triple = (x) => x * 3

triple = lambda (x): x * 3

triple = lambda x: return x * 3

The function is not a lambda function

Which of the following statements is false for the following function header declaration.

def pink(green,yellow,black):

There are 3 inputs

The function name is pink

The function can be defined inside of a separate file with the extension .py

There must be 3 outputs

Consider the following function:

def PE(m, h):
    g = 9.81
    E = m * g * h
    return E

What is the value of d to the nearest integer after running the following commands?

d = PE(5,5)

245

250

Error

Consider the following function:

def subtract(a, b=0):
        return a - b

Which of the following function calls will return an error?

subtract(a=10)

subtract(a=10,2)

subtract(10)

subtract(10, 2)