freeCodeCamp/guide/portuguese/python/bool-function/index.md

title	localeTitle
Python Bool Function	Função Python Bool

bool() é uma função interna do Python 3. Essa função retorna um valor booleano, ou seja, True ou False. Leva um argumento, x .

Argumentos

Leva um argumento, x . x é convertido usando o procedimento padrão de teste da verdade .

Valor de retorno

Se x for falso ou omitido, isso retornará False ; caso contrário, retorna True .

Amostra de código

print(bool(4 > 2)) # Returns True as 4 is greater than 2 
 print(bool(4 < 2)) # Returns False as 4 is not less than 2 
 print(bool(4 == 4)) # Returns True as 4 is equal to 4 
 print(bool(4 != 4)) # Returns False as 4 is equal to 4 so inequality doesn't holds 
 print(bool(4)) # Returns True as 4 is a non-zero value 
 print(bool(-4)) # Returns True as -4 is a non-zero value 
 print(bool(0)) # Returns False as it is a zero value 
 print(bool('dskl')) # Returns True as the string is a non-zero value 
 print(bool([1, 2, 3])) # Returns True as the list is a non-zero value 
 print(bool((2,3,4))) # Returns True as tuple is a non-zero value 
 print(bool([])) # Returns False as list is empty and equal to 0 according to truth value testing 

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