Training, Open Source Programming Languages

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Looping through all the elements of a dictionary
Dictionaries example from a Well House Consultants training course
More on Dictionaries [link]
Source code: d2.py Module: Y107
#!/usr/bin/env python3

author = {"php":"Rasmus Lerdorf",
        "perl":"Larry Wall",
        "tcl":"John Ousterhout",
        "awk":"Brian Kernighan",
        "java":"Sun Microsystems",
        "lua":"Roberto Ierusalimschy",
        "parrot":"Simon Cozens",
        "python":"Guido van Rossum"}

author["c"] = "Brian Kernighan"
del author["parrot"]
author["java"] = "James Gosling"

print("Python was written by " + author["python"] + "\n")

for language in author.keys():
        print(language + " is the child of " + author[language])

""" Sample Output
(note unordered outout that varies between Python 2 and Python 3!)

WomanWithCat:y107 grahamellis$ python3 d2.py
Python was written by Guido van Rossum

awk is the child of Brian Kernighan
perl is the child of Larry Wall
c is the child of Brian Kernighan
php is the child of Rasmus Lerdorf
java is the child of James Gosling
python is the child of Guido van Rossum
tcl is the child of John Ousterhout
lua is the child of Roberto Ierusalimschy
WomanWithCat:y107 grahamellis$ python2 d2.py
Python was written by Guido van Rossum

lua is the child of Roberto Ierusalimschy
tcl is the child of John Ousterhout
awk is the child of Brian Kernighan
python is the child of Guido van Rossum
java is the child of James Gosling
php is the child of Rasmus Lerdorf
c is the child of Brian Kernighan
perl is the child of Larry Wall
WomanWithCat:y107 grahamellis$

"""

Learn about this subject
This module and example are covered on the following public courses:
 * Learning to program in Python
 * Python Programming
Also available on on site courses for larger groups

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Other Examples
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