Python commands

Question 1

Embed a variable in a string

Answer 1

f”some string {somevar}”

Question 2

format an existing string

Answer 2

existing_string= “some string {}”. existing_string.format(variable OR “string”)

Question 3

tell print to not end the line with a newline character and go to the next line.

Answer 3

print(var1 + var2, end = “ “)

print(var3 + var4)

Question 4

print a string repeatedly 10 times (no loop)

Answer 4

print(“string” * 10)

Question 5

print something on a new line

Answer 5

“string\nstring”

Question 6

print “as many rows as you like”

Answer 6

print(“"”enter string
for as many rows as you like
“””)

Question 7

Escape sequence: Backslash ()

Answer 7

\

Question 8

Escape sequence: single quote

Answer 8

'

Question 9

Escape sequence: double quote

Answer 9

"

Question 10

Escape sequence: ASCII bell (BEL)

Answer 10

\a

Question 11

Escape sequence: ASCII backspace (BS)

Answer 11

\b

Question 12

Escape sequence: ASCII formfeed (FF) (format)

‘insert a page break’

Answer 12

\f

Question 13

Escape sequence: ASCII linefeed (LF) (new line)

Answer 13

\n

Question 14

Escape sequence: Character named name in the Unicode database (Unicode only)

Answer 14

\N{name}

Question 15

Escape sequence: Carriage return (CR) (resets to left-most in a row and overwrites with the rest of the line)

Answer 15

\r

Question 16

Escape sequence: horizontal tab

Answer 16

\t

Question 17

Escape sequence: Character with 16-bit hex value xxxx

Answer 17

\uxxxx

Question 18

Escape sequence: Character with 32-bit hex value xxxxxxxx

Answer 18

\Uxxxxxxxx

Question 19

Escape sequence: ASCII vertical tab (VT) - pushes text down a line but still ‘in line’ with string.

Answer 19

\v

Question 20

Escape sequence: character with octal value ooo

Answer 20

\ooo

Question 21

Escape sequence: character with hex value hh

Answer 21

\xhh

Question 22

record user input as string variable

Answer 22

var = input(“e.g. enter name here: “)

Question 23

record user input at integer

Answer 23

var = int(input())

Question 24

argument variable that holds command line arguments entered into the Python code

Answer 24

from sys import argv
var1, var2, var3 = argv

when running code with CLI, type Python 3.6 scriptname.py var2name var3name