all() is a built-in function in python programming language which gives True in return if all elements of an iterable are true (exists) or empty. All sequence types in Python are examples of iterable. An example of sequence types in Python:
- Lists
- String
- Tuple
all() function is a part of Python Built-in Functions (check list)
all() Syntax
all( iterable )
all() Parameters
iterable – where iterable is a variable representing lists.
all() Return Value
all() function returns a True if elements of iterable is a true (exists) or empty
all() Compatibility
This function is available and compatible with both Python 2.x and 3.x
| Python 2.x | Python 3.x |
| Introduced in 2.5 | Yes |
all() Function Examples
Example: When elements (Number) in iterable are true in all()
1 2 | MyList = [1,2,3,4,5,6] print(all(MyList)) |
Return value:
TrueExample: When elements(string) in iterable are true in all()
1 2 | MyStringList = ['a', 'b' , 'c'] print(all(MyStringList)) |
Return value:
TrueExample: When Empty iterable in all()
1 2 | MyEmptyiterable = [] print(all(MyEmptyList)) |
Output:
True
