Python: for Loops

  1. Introduction to Python
  2. Python: Choosing a Text Editor or IDE
  3. Python: Hello World
  4. Python: Variables, Strings and Numbers
  5. Python: Variable Naming
  6. Python: Math, Familiar
  7. Python: Math, Less Familiar
  8. Python: Mathematical Order of Operations
  9. Python: Introducing PEP 8
  10. Python: Text Concatenation
  11. Python: if Statements and Comparison Operators
  12. Python: else and elif statements
  13. Python: Testing Multiple Conditions
  14. Python: Testing Sets of Conditions
  15. Python: Nested if Statements
  16. Python: Lists
  17. Python: Adding To and Changing Lists
  18. Python: Lists: Take a Slice, Delete Elements, Popping Elements
  19. Python: Tuples
  20. Python: for Loops
  21. Python: Nested for Loops
  22. Python: Capturing and Formatting User Input
  23. Python: Dictionaries
  24. Python: Functions
  25. Python: While Loops
  26. Python: Data Files
  27. Python: Using Pexpect
  28. Python : Using Pexpect :
  29. Python : Using Pexpect:
  30. Python: DCL Conversion to Python

Go to Chapter 21 of A Smarter Way.

Remember an earlier for loop we used:

friends = ['bill', 'jeff', 'jim']

for friend in friends:
    print("Hello, " + friend.title() + "!")

Often we use these inside if-tests:

friends = ['bill', 'joel', 'jeff', 'jim', 'scott', 'todd']
people_at_party = ['joel', 'jim']

# Go through all the people who are present, 
# and greet our friends.
for person in people_at_party:
    if person in friends:
        print("Hello, %s!" % person.title())




  1. In your script, try each of the code blocks above.
  2. Do any of them need to be debugged? Do it if necessary.


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