Python: map() function
map() function
The map() function is used to execute a specified function for each item in a iterable.
Version:
(Python 3.2.5)
Syntax:
map(function, iterable, ...)
Parameter:
Name | Description | Required / Optional |
---|---|---|
function | Function to be executed. | Required |
iterable | Collection or an iterator object | Required |
Note: If additional iterable arguments are passed, function must take that many arguments and is applied to the items from all iterables in parallel.
Example: Python map() function
def calSqrt(a):
return a*a
num = (2, 3, 4, 8)
x = map(calSqrt, num)
print(x)
# converting map object to set
numSqrt = set(x)
print(numSqrt)
Output:
<map object at 0x7ff9bbf1f588> {16, 9, 64, 4}
Python Code Editor:
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