python chage string to int code example

Example 1: encoding character or string to integer in python

note:text contains your string or already read textfile 

import numpy as np
text = 'hello'
vocab=sorted(set(text))
char_to_ind = {char:ind for ind,char in enumerate(vocab)}
encoded_text = np.array([char_to_ind[c]for c in text])

your string has been encoded

Example 2: how to convert string to int in python

# This kind of conversion of types is known as type casting
# Type of variable can be determined using this function type(variable)
>>> string = '123'
>>> type(string) # Getting type of variable string
<class 'str'>
>>> integer = int(string) # Converting str to int
>>> type(integer) 
<class 'int'>
>>> float_number = float(string) # Converting str to float.
>>> type(float_number) 
<class 'float'>
>>> print(string, integer, float_number)
123 123 123.0