Keyword Analysis & Research: why are while loops called pretest loops

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why are while loops called pretest loops	1.99	0.8	2977	26	40
why	0.32	0.2	9754	100	3
are	0.23	0.7	1192	88	3
while	1.56	0.9	9667	76	5
loops	0.53	0.5	899	69	5
called	0.3	0.4	1786	69	6
pretest	0.22	0.1	2643	92	7
loops	0.93	0.1	2440	93	5

Keyword	CPC	PCC	Volume	Score
why are while loops called pretest loops	0.86	0.6	1635	43