Python Beginner Tutorials
Python Beginner Tutorials
- 24th July 2015
View online at
Python Beginner Tutorials
Beginner
Getting Started
Numbers
String basics
String methods
Lists
Tuples
Dictionaries
Datatype casting
If statements
Functions
Loops
Random numbers
Objects and classes
Encapsulation
Method overloading
Inheritance
Polymorphism
Inner classes
Factory method
Binary numbers
Recursive functions
Logging
Subprocess
Threading
Top
Page 1
Python Beginner Tutorials
- 24th July 2015
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Getting started
Python is a general-purpose computer programming language, ranked among the top
eight most popular programming languages in the world.
It can be used to create many things including web applications, desktop applications as
scripting interpreter and many more.
Please do note the online interpreters may not work for everything but will work for the
beginner tutorials.
Run Python code online
Skulpt Python interpreter
Repl.it Python interpreter
Python interpreter
Codepad Python interpreter
Run Python code on your machine
Official Python Installation Guide
PyCharm IDE (recommended)
Try this code:
Try this code to test if Python is installed correctly.
#!/usr/bin/env python
print("Hello World!")
print("This is a Python program.")
(In Python 2.x you do not have to use the brackets around the print function, for Python 3.x
is it required.)
Expected output:
Hello World!
This is a Python program
Next tutorial
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Python Beginner Tutorials
- 24th July 2015
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Top
Page 3
Python Beginner Tutorials
- 24th July 2015
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Python numbers
Python supports these data types for numbers:
name
int
long
float
complex
purpose
whole number
long integers
floating point real values
complex numbers
Example:
#!/usr/bin/python
x = 3
f = 3.1415926
name = "Python"
big = 358315791L
z = complex(2,3)
d imaginary part.
#
#
#
#
#
an integer
a floating real point
a string
long, a very large number
(2+3i) a complex number. consists of real an
print(x)
print(f)
print(name)
print(big)
print(z)
Output:
3
3.1415926
Python
358315791
(2+3j)
To find the maximum values depend on your platform.
The minimum and maximums on a 32 bit machine:
Page 4
Python Beginner Tutorials
- 24th July 2015
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datatype
signed int
long
float
minimum
maximum
-2147483647
2147483647
¨C
limited only by memory
2.2250738585072014e-308 1.7976931348623157e+308
The number range on a 64 bit machine:
datatype
signed int
long
minimum
-9223372036854775807
¨C
maximum
9223372036854775807
limited only by memory
minimum
maximum
float
2.2250738585072014e308
datatype
Operations
You can do arithemetic operations such as addition (+), multiplication (*), division (/) and
substractions (-).
#!/usr/bin/env python
x = 3
y = 8
sum = x + y
print(sum)
Expected output: 11.
User input
You can also ask the user for input using the raw_input function:
#!/usr/bin/env python
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