Python string quick start tutorial

Python built-in data type string is very frequently used in any python program. Here are some examples of using strings to get started with.

Print a string

s = "Hello"
print s ## with automatic newline after string
print "something else"

Hello
something else

Convert int to string

str() convertor can be used to convert int to string or any other type to string.

x = 10
print str(x)
a = [1,2]
print str(a)
d = {"k1":"v1", "k2":"v2"}
print str(d)

10
[1, 2]
{'k2': 'v2', 'k1': 'v1'}

Print using formatting operator %

Strings can be printed (or assigned) using formatting operator %. It is very convenient way to print multiple values.

s = "Hello"
x = 10
s1 = "%s %s" % (s, x)
print "%s %s" % (s, x)
print s1

Hello 10
Hello 10

Concatenate two strings using +

Strings can be concatenated using + operator.

s1 = "Hello"
s2 = "World"
s3 = "."
s = s1 + s2 + s3
print s

HelloWorld.