Purpose of code editor in python IDE - ANS ✓provide a text editor offering
syntax highlighting, code completion, and indentation.
Python variables - ANS ✓serving as placeholders to store and manage data. In
Python, you don't need to explicitly declare a variable's data type; it dynamically
infers it based on the assigned value.
Symbolic Names - ANS ✓refer to names or identifiers that represent values,
objects, or entities.
variable name rules - ANS ✓number, letters, _
start with letter or _
cannot be a python keyword
assign multiple variables - ANS ✓x, y, z = "one", "two", "three"
assigning the same value multiple variables - ANS ✓hi = hello = hey = "greeting"
printing multiple variables with , and + - ANS ✓+ will combine strings, and also
numbers but not together
, will combine strings and numbers together.
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inside a function - ANS ✓means the code is part of a specific function block.
Variables defined inside the function have local scope, and the function executes
when called.
outside a function - ANS ✓means the code is not part of any specific function
block. Variables defined outside functions generally have a global scope and can
be accessed throughout the program
function (local) - ANS ✓not accessible outside, promoting encapsulation.
Global Variables - ANS ✓declared outside of functions and can be accessed from
any part of the program
core data types - ANS ✓integers, floats, strings
Lists and Tuples - ANS ✓facilitate the organization of multiple elements
dictionaires - ANS ✓enable key value pair storage.
str: - ANS ✓string
int: - ANS ✓integer
float: - ANS ✓floating-point type
boolean - ANS ✓true or falseu
is_true=true
is_false=false
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list - ANS ✓ordered, mutalble sequence
[]
tuple - ANS ✓ordered, immutable sequence
()
set: - ANS ✓unordered, mutable collection of unique elements
frozenset: - ANS ✓unchangeable set
dict: - ANS ✓dictionary, an unordered collection of key-pair values
int_num = int(float_num) - ANS ✓converting something to integer, int
same for x = float(y)
x = round(y)
x=abs(y) - absoluite value
You can create multiple strings with - ANS ✓three quotes
Repitition (*) - ANS ✓repeat a string
concatenation (+) - ANS ✓combine two strings
Indexing ([]) - ANS ✓accessing individual characters by position. First pos is 0.
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