Conteúdo do Curso
Introduction to Python Video Course
Introduction to Python Video Course
Recap
Congratulations on completing this exciting section of our Python course!
You've developed a strong understanding of controlling the logic flow within your programs using various Python constructs.
Let's review the key concepts you've mastered:
Boolean Data Types and Comparisons
You've learned to use comparison operators to evaluate conditions in Python. These operators help you check relationships between values and include the following:
- Equal to:
==
; - Not equal to:
!=
; - Greater than:
>
; - Less than:
<
; - Greater than or equal to:
>=
; - Less than or equal to:
<=
.
item_price = 20 discount_price = 15 print(item_price > discount_price) # `True` print(item_price == discount_price) # `False`
Combining Conditions
You've mastered the art of combining multiple conditions using logical operators to make more complex decisions:
and
: Evaluates toTrue
if both conditions areTrue
;or
: Evaluates toTrue
if at least one condition isTrue
;not
: Reverses the logical state of its operand.
stock_level = 50 on_sale = True print(stock_level > 30 and on_sale) # `True`
Membership Operators and Type Comparisons
We've explored how to use membership operators to check for the presence or absence of an element within a sequence and how to use the type()
function to confirm the data type of a variable:
- Membership operators like
in
andnot in
. - Comparing types by using
type()
.
products = "milk, eggs, cheese" print('milk' in products) # True item_type = 20.0 print(type(item_type) == float) # True
Conditional Expressions
You've learned how to use if
, else
, and elif
statements to execute different code blocks based on various conditions. This foundational skill is crucial for writing dynamic and responsive Python programs:
temperature = 75 if temperature > 80: print("It's too hot!") elif temperature < 60: print("It's too cold!") else: print("It's just right!")
Tudo estava claro?