PRG1 - Day 4 starter

What is output?

// JavaScript

console.log(examResults.steve[0]);

# Python

print(exam_results['steve'][0])

• [ 99, 98, 95 ]

• 99

• [ ]

• Undefined / Error

JS: What does trim() do?
Python: What does .strip() do?

• It extracts a substring from a string.

• 
  It removes all characters from a string.

• 
  It converts a string to title case.

• It trims whitespace from the beginning and end of a string.

How can you convert a string to lowercase?

• Python: .to_lower()

  JS: toLower()

• Py: .make_lower()

  JS: makeLower()

• Py: .convert_lower()

  JS: convertLower()

• Py: .lower()

  JS: toLowerCase()

Which method can be used to split a string into an array of substrings based on a specified delimiter?

• .slice()

• .concat()

• .join()

• .split()

What is output?

Py: print(98 in exam_results["violet"])

JS: console.log(examResults.violet.includes(98));

• True

• False

• Error

• 98

In Python & JS, can a variable name (also known as an 'identifier') start with a number? e.g. 5rings

• Yes

• No

• Sometimes

• Only in certain versions

What does this code do?

JS: bigMac.Fat = 30;
Py: big_mac['Fat'] = 30

• Sets the fat content of a Big Mac to 30.

• Deletes the fat content of a Big Mac.

• The code retrieves the fat content of a Big Mac.
• Calculates the calories of a Big Mac.

What is the result?

// JavaScript

bigMac['Calories'] = 300;

# Python

big_mac['Calories'] = 300

• The calories for a Big Mac is updated to 300

• Nothing. It already exists.

• A second Calories option is added.

• An error message is displayed.