Converting a list of strings to ints (or doubles) in Python

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I have a lots of list of strings that look similar to this:

list = ['4', '-5', '5.763', '6.423', '-5', '-6.77', '10']

I want to convert it to a list of ints (or doubles) but the - keeps producing an error.

>>> lst = ['4', '-5', '5.763', '6.423', '-5', '-6.77', '10']
>>> map(float, lst)
[4.0, -5.0, 5.763, 6.423, -5.0, -6.77, 10.0]

And don't use list as a variable name

Python, Just looping over whole list and convert each of the string of list to int by type casting. filter_none. edit close. play_arrow. link brightness_4 code� In this tutorial, you can quickly discover the most efficient methods to convert Python List to String. Several examples are provided to help for clear understanding. Python provides a magical join() method that takes a sequence and converts it to a string. The list can contain any of the following object types: Strings, Characters, Numbers.

>>> [float(x) for x in ['4', '-5', '5.763', '6.423', '-5', '-6.77', '10']]
[4.0, -5.0, 5.763, 6.423, -5.0, -6.77, 10.0]

Python, Python | Convert numeric String to integers in mixed List. 25-11-2019 print ( " List after converting string numbers to integers : " + str (res))� Read “Python 2 vs Python 3: Practical Considerations” for more information about the differences between Python 2 and Python 3. Converting with Strings. A string is a sequence of one or more characters (letters, numbers, symbols). Strings are a common form of data in computer programs, and we may need to convert strings to numbers or

for Python 3:

listOfStrings = ['4', '-5', '5.763', '6.423', '-5', '-6.77', '10']
listOfFloats = list(map(float, listOfStrings))

5 examples to Convert a Python string to int and float, The output is a new list with strings converted into integers. Converting decimal list into float for list items. Similarly, you may use the float instead of int for� Python | Converting all strings in list to integers 29-11-2018. Interconversion between data types is facilitated by python libraries quite easily. But the problem of

Converting all strings in list to integers in Python, Sometimes we can have a list containing strings but the strings themselves are numbers and closing quotes. In such a list we want to convert� We can do using join() function, but we need to first convert list of different type of elements to a list of strings. For that we need to call str() on each item of the list to convert it to string. Then we can join all the items in the new list of strings to create a string. For example,

Converting Python 3 Data Types: Numbers, Strings, Lists, Tuples , When converting floats to integers with the int() function, Python cuts off the decimal and remaining numbers of a float to create an integer. Even� Agree with @Bogdan. This answer creates a string in which the list elements are joined together with no whitespace or comma in between. You can use ', '.join(list1) to join the elements of the list with comma and whitespace or ' '.join(to) to join with only white space – R.S.K Sep 28 '18 at 6:32

Convert Strings to Numbers and Numbers to Strings in Python, Python allows you to convert strings, integers, and floats interchangeably in a array, allowing you to use indices to access a single character from the string. Given a list, write a Python program to convert the given list to string. There are various situation we might encounter when a list is given and we convert it to string. For example, conversion to string from the list of string or the list of integer.

Comments
  • whats the code you have that produces the error?