Python | Convert list to Python array

Sometimes while working in Python we can have a problem in which we need to restrict the data elements to be just of one type. List, can be heterogeneous, can have data of multiple data types and it is sometimes undesirable. There a need to convert this to data structure which restricts the type of data. The Python language comes with array data structure which can be used for this purpose. Let’s discuss a way to convert list to array.

Method : Using array() + data type indicator
This task can be easily performed using array(). This is an inbuilt function in Python to convert to array. The data type indicator “i” is used in case of integers, which restricts data type.

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# Python3 code to demonstrate working of
# Convert list to Python array
# Using array() + data type indicator
from array import array
  
# initializing list
test_list = [6, 4, 8, 9, 10]
  
# printing list
print("The original list : " + str(test_list))
  
# Convert list to Python array
# Using array() + data type indicator
res = array("i", test_list)
  
# Printing result
print("List after conversion to array : " + str(res))

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Output :

 
The original list : [6, 4, 8, 9, 10]
List after conversion to array : array('i', [6, 4, 8, 9, 10])


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