pcep entry level python certification exam

what is a binary code

fundamental language of computers represented by “bits” that correspond to on or off. represented in data instructions such as 0 and 1.

order of arithmetic operations in python

pemdas (paranthesis, exponents, mulitplication/division, addition/subtration)

what is a python interpretor

the core program that translates and executes the code you write

what is a python compiler

an internal component that translates human-readable source code (py.files) into a lower-level format such as byte-code

what is a sequence of ascii characters

a set of 7-bit numerical codes

what is true about tuples?

• tuples can use the + operator meaning concatenation

• tuples are immutable and cannot be changed when formed

• the phrase tuple() can be used to produce an empty tuple

items method

returns a tuple in a (key,value) pair

a code written in a high-level programming language is called

a source code

“for x in dictionary” automatically iterates overs

the keys of a dictionary

to access the values of a dictionary

.values()

input values in python are automatically

strings

to retrive and assign a value in a dictionary

ex: charge = pizza[“Margherita Pizza”]

0 for i in range(3) prints what

[0,0,0]