Use the int() function to Convert the list to int in Python. This method with a list comprehension returns one integer value that combines all elements of the list.
Example convert list to int Python
Simple example code converting [1, 2, 3] into one integer in 123. Use list comprehension to construct a new list with str(int) applied to all elements.
l = [1, 2, 3]
s = [str(integer) for integer in l]
a_string = "".join(s)
res = int(a_string)
print(res)
print(type(res))Output:
How to convert all elements of a list to int in Python
l = [1, 2, 3]
res = [int(item) for item in l]
print(l)
print(type(l))Using the map function:
str_list = ['1', '2', '3', '4']
int_list = list(map(int, str_list))
print(int_list)
# Output: [1, 2, 3, 4]
Comment if you have any doubts or suggestions on this Python list to int program.
Note: IDE: PyCharm 2021.3.3 (Community Edition)
Windows 10
Python 3.10.1
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.
Hola, me sirvio este metodo pero hay un error.
l = [1, 2, 3]
res = [int(item) for item in l]
print(l)
print(type(l))
En esta parte se tiene que cambiar la variable en los print de i a res, seria algo asi:
print(res)
print(type(res))
Perdon por las tildes, no se como configurar el teclado xd