WGU D335: Introduction to Python (Sections 1-4) BEGINNER FRIENDLY AND PERFECT FOR EXAM PREPARTION
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Course
WGU D335
Institution
WGU D335
Input
A program gets data, perhaps from a file, keyboard, touchscreen, network, etc.
Process
A program performs computations on that data, such as adding two values like x + y
Output
A program puts that data somewhere, such as to a file, screen, or network.
computational thinking,
...
WGU D335: Introduction to Python
(Sections 1-4)
Input
A program gets data, perhaps from a file, keyboard, touchscreen, network, etc.
A
Process
VI
A program performs computations on that data, such as adding two values like x + y
TU
Output
A program puts that data somewhere, such as to a file, screen, or network.
IS
computational thinking,
OM
creating a sequence of instructions to solve a problem
algorithm
NA
A sequence of instructions that solves a problem
Python interpreter
JP
a computer program that executes code written in the Python programming language.
interactive interpreter
a program that allows the user to execute one line of code at a time
,Code
a common word for the textual representation of a program
line
row of text
prompt
A
indicates the interpreter is ready to accept code
VI
statement
a program instruction
TU
Expressions
code that return a value when evaluated
IS
cariables
OM
named references to values stored by the interpreter
print()
function that displays variables or expression values
NA
'#"
character tha denote comments, which are optional but can be used to explains portions
of code to a human reader
JP
string literal
text enclosed in quotes (single or double) and can contain letters, numbers, spaces, or
symbols
Why would a programmer add
, end=' ' inside of print()?
To keep the output on the same line
print(variable_name) without quotes
to output the value of a variable
A
\n
newline character; output can be moved to the next line
VI
whitespace
TU
any space, tab, or newline
variable = input()
IS
reads a user-enter string and changes it into a variable
OM
type
determines how a value can behave
int()
NA
converts a string to an integer
syntax error
violating a programming language's rules on how symbols can be combined to create a
JP
program
runtime error
program's syntax is correct, but the program attemps an impossible operation, such as
dividing by zero or multiplying strings together
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