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Python | Convert location coordinates to tuple
  • Last Updated : 18 Oct, 2019

Sometimes, while working with locations, we need a lot of data which has location points in form of latitutes and longitudes. These can be in form of a string and we desire to get tuple versions of same. Let’s discuss certain ways in which this task can be performed.

Method #1 : Using tuple() + float() + split() + map()

The combination of above functions can be used to perform this task. In this, we first split the two parts of coordinates into a list, apply float function to each of them using float() and map() and lastly it is converted to tuple using tuple().

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# Python3 code to demonstrate working of
# Convert location coordinates to tuple
# Using tuple() + float() + split() + map()
  
# Initializing string
test_str = "44.6463, -49.583"
  
# printing original string
print("The original string is : " + str(test_str))
  
# Convert location coordinates to tuple
# Using tuple() + float() + split() + map()
res = tuple(map(float, test_str.split(', ')))
  
# printing result
print("The coordinates after conversion to tuple are : " + str(res))

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Output :

The original string is : 44.6463, -49.583
The coordinates after conversion to tuple are : (44.6463, -49.583)

 



Method #2 : Using eval()
This is the one-liner and recommended method to perform this particular task. In this, the eval(), internally detects the string and converts to floating point number seperated as tuple elements.

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# Python3 code to demonstrate working of
# Convert location coordinates to tuple
# Using eval()
  
# Initializing string
test_str = "44.6463, -49.583"
  
# printing original string
print("The original string is : " + str(test_str))
  
# Convert location coordinates to tuple
# Using eval()
res = eval(test_str)
  
# printing result
print("The coordinates after conversion to tuple are : " + str(res))

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Output :

The original string is : 44.6463, -49.583
The coordinates after conversion to tuple are : (44.6463, -49.583)

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