9.2 - Counting with Dictionaries

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密歇根大学
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课程 2(共 5 门,零基础 Python 入门 专项课程
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Python Syntax And Semantics, Data Structure, Tuple, Python Programming

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4.9(38,492 个评分)
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PM

Oct 08, 2017

assignment 9.4 auto grader not working .\n\nLTI unable to launch.\n\nerror message: This tool should be launched from a learning system using LTI.\n\ni am using chrome on mac book air 2 and python 3.6

JL

Feb 01, 2017

Challenging for someone with zero experience with coding. Took a fairly long time to grind through the first two courses in the specialisation, but the lectures and course material were very helpful.

从本节课中
Chapter Nine: Dictionaries
The Python dictionary is one of its most powerful data structures. Instead of representing values in a linear list, dictionaries store data as key / value pairs. Using key / value pairs gives us a simple in-memory "database" in a single Python variable.

教学方

  • Charles Russell Severance

    Charles Russell Severance

    Clinical Professor

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