how to turn a string into a variable python code example

Example 1: how to remove integer from string in python

>>> s = '12abcd405'
>>> result = ''.join([i for i in s if not i.isdigit()])
>>> result
'abcd'

Example 2: how to insert a variable into a string without breaking up the string in python

name = "Dan"
age = 21
#you need to have that "f" before the string
name_and_age = f"My name is {name}, and I am {age} years old."
print(name_and_age)