Difference between revisions of "Python quick reference"

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(Common string operations)
(variable operations)
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</source>
 
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Traceback (most recent call last):
 
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
+
File "<stdin>", line 1, in ?
 
NameError: name 'foo' is not defined
 
NameError: name 'foo' is not defined
  

Revision as of 15:40, 14 August 2017

Contents

Introduction

Lexical analysis

Data model

Execution model

Expressions

Simple statements

variable operations

assigenment examples

 >>> var1 = 'foo'
 >>> type(var1)
 <type 'str'>
 >>> print var1
 foo

string assignment like above must be incapsulated by quotes or the right side is interpretted as a variable name.

example:

>>> var1 = foo

Traceback (most recent call last): File "<stdin>", line 1, in ? NameError: name 'foo' is not defined

print

print sing variable named foo

>>> print foo

print multiple variables with text

print 'my variable are %s %s' % (FOO, BAR)

Common string operations

print nth word of string

 print s.split()[n]