Python Syntax

Question 1

What symbol tells Python to interpret the following as a comment?

Answer 1

#

Question 2

What function tells a computer to talk?

Answer 2

print()

The message should be surrounded by “ “ or ‘ ‘
Be consistent with whichever chosen

Question 3

What are the printed words as a result of the print() function referred to as?

Answer 3

Output

Question 4

What are blocks of text called?

Answer 4

Strings

Question 5

Does it matter which kind of quotation is used for a string?

Answer 5

No, either “” or ‘’

Just be consistent with whichever chosen.

Question 6

How do you assign variables?

Answer 6

By using the equal sign (=)

message_string = “Hello there”
# Prints “Hello there”
print(message_string)

Question 7

Can variables start with numbers?

Answer 7

No, but they can have numbers after the first letter.

Question 8

Can variables have spaces or symbols other than an underscore ( _ )?

Answer 8

No

Question 9

What does Python refer to mistakes as?

Answer 9

Errors.

It will point to the location where an error occurred with a ^ character.

Question 10

What are two common errors encountered while writing Python?

Answer 10

SyntaxError

NameError

Question 11

What does SyntaxError mean?

Answer 11

There is something wrong with the way your program is written
- punctuation that does not belong, a command where it is not expected, or a missing parentheses can all trigger SyntaxError.

Question 12

When does a NameError occur?

Answer 12

When the Python interpreter sees a word it does not recognize.

Code that contains something that looks like a variable but was never defined will throw a NameError.

Or when the quotes are never used but should have been.

Question 13

What does a SyntaxError: EOL mean?

Answer 13

A string wasn’t closed, or wasn’t closed with the same quote-character that started it.

Question 14

What is the modulo operator?

Answer 14

A companion to division.

It is indicated by % and returns the remainder after division is performed.

Question 15

What is a float?

Answer 15

A number with a decimal point.
You can define a float with numbers after the decimal point or by just including a decimal point at the end.

You can also define a float using scientific notation, with e indicating the power of 10.

Question 16

How do you write a string that spans multiple lines?

Answer 16

Use triple quotes
“””136 Whowho Rd
Apt 7
Whosville”””

This can also be used for long comments if you don’t assign it as a variable.

Question 17

What is a Boolean?

Answer 17

A variable that is either true or false.

A value of true corresponds to an integer value of 1.

A value of false corresponds to a value of 0.

Question 18

How would you convert an integer to a string?

Answer 18

str()
Example:
age = 13
print “I am” + str(age) + “years old!”

For a reversal, we use int()

int_addition = int(number1) + int(number 2)

Question 19

How do you deal with apostrophes in strings?

Answer 19

Put a backlash \ before the apostrophe.

“There\’s a snake in my boots!”