put variable in string python code example

Example 1: how to use variables in string in python

#Use f-string
#Example:

x = 2
y = f'This is a string using variable x: {x}'
print(y)

#Output: 
#This is a string using variable x: 2

Example 2: variable string in string python

>>> shepherd = "Mary"
>>> age = 32
>>> stuff_in_string = "Shepherd {} is {} years old.".format(shepherd, age)
>>> print(stuff_in_string)
Shepherd Mary is 32 years old.

Example 3: insert into string python

def insert (source_str, insert_str, pos):
    return source_str[:pos]+insert_str+source_str[pos:]

Example 4: how to add a variable to an string

var str = "ello";
var letter = "h";
str = letter + str;

Example 5: how to give a string value variable in python

foo = "bar"
exec(foo + " = 'something else'")
print bar
something else

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