add method trim

[zydmayday]

No description provided.

[codecov-commenter]

Codecov Report

Merging #157 (769a32d) into main (3fa98bb) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #157   +/-   ##
=======================================
  Coverage   98.12%   98.13%           
=======================================
  Files         189      191    +2     
  Lines        1924     1932    +8     
=======================================
+ Hits         1888     1896    +8     
  Misses         36       36           

Impacted Files	Coverage Δ
ramda/__init__.py	100.00% <100.00%> (ø)
ramda/trim.py	100.00% <100.00%> (ø)
ramda/propOr.py	100.00% <0.00%> (ø)

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