Elegant Python-evolution of a statistical program

Source: Internet
Author: User

This sectionProgramIs to count each partner and their occurrences from the given list.

 
Littlebuddys = ['jack', 'terry ', 'john', 'rooney', 'ross ', 'kzc', 'john', 'ross', 'ross ']

Novice programmer
 
D ={} for Buddy in littlebuddys: If Buddy not in D: d [Buddy] = 0 d [Buddy] + = 1

Programmers who believe in EAFP
 
D ={} for Buddy in littlebuddys: Try: d [Buddy] + = 1 TB keyerror: d [Buddy] = 1

Programmers who prefer to use default values to avoid exceptions
 
D ={} for Buddy in littlebuddys: d [Buddy] = D. Get (Buddy, 0) + 1

Uninitialized programmers
 
D = dict. fromkeys (littlebuddys, 0) for Buddy in littlebuddys: d [Buddy] + = 1

Programmers who live in the hot water
From collections import defadicdictd = defaultdict (INT) for Buddy in littlebuddys: d [Buddy] + = 1

Old lady sweeping the floor
 
From collections import counterd = counter (littlebuddys)

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