You should be able to define the following terms:

• syntax
• semantics
• algorithm
• program
• computer
• variable
• data types int, float, and str

You should be able to use the following Python concepts:

• assignment using =
• basic arithmetic expressions using +, -, *, /, **
• type()
• range()
• input(), raw_input()
• for loops
• print
• def main():

Practice problems

1. Programming exercise 1 on page 22 of Zelle
2. True/False questions starting on page 46 of Zelle
3. Problem 4 on page 48 of Zelle
4. Problem 8 on page 49 of Zelle
5. Write a for loop that prints your name 10 times.
6. Write a for loop that prints the numbers from 1 to 5.
7. What is the value and type for each of the following expressions? Try them in python to check your answers.
   • 2 + 5
   • 2.0 + 5
   • 5/2
   • 5/2.0
   • range(1,5)
   • range(10,1,-1)
   • range(3)
   • 5 - 2 * 3

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