Quiz 4: For Loops and Sequences

Learning Goals

Students should be able to:

• Write expressions that create and manipulate sequences (strings, lists, ranges).
• Use indexing to access elements in a sequence from the front or the back.
• Predict the type of expression results which use operations on sequences such as in, not in, +, *, slicing, len, min, max.
• Know about and use a variety of operations on sequences, including in, not in, +, *, slicing, len, min, max.
• Use indexing to access elements in a sequence from the front or the back, as well as in nested structures.
• Create iteration tables to understand and define loops.
• Write the syntax of a for loop.
• Understand the difference between a for value loop and a for index loop.
• (111A students only): understand the use of break and continue statements in a loop. (For Quiz 4, the for/else statement will not be tested, but students should understand this for the future.)
• Read and write loops that use accumulation variables to calculate results.
• Read and write for value loops that use tracking variables to summarize information from previous values.
• Use print statements to illustrate the operation of a loop.
• Use for and while loops to translate English descriptions of iteration into Python/
• Explain the rules governing a for loop's execution in English.
• Design algorithms to solve simple problems using iteration /
• Predict the effects of loops.

Study Guide

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Answer Key

Solutions

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