While developing an application, there come many scenarios when we need to operate on the string and convert it as some mutable data structure, say list.
Example
# Importing ast library
import ast
# Initialization of strings
str1 ="'Python', 'for', 'fun'"
str2 ="'vishesh', 'ved'"
str3 ="'Programmer'"
# Initialization of list
list = []
# Extending into single list
for x in (str1, str2, str3):
list.extend(ast.literal_eval(x))
# printing output
print(list)
# using eval
# Initialization of strings
str1 ="['python, 'for', ''fun']"
str2 ="['vishesh', 'ved']"
str3 ="['programmer']"
out = [str1, str2, str3]
out = eval('+'.join(out))
# printing output
print(out)