How to read number column with comma as thousands separator in CSV file?

The readr::read_csv function with locale option is able to parse numbers in different format.

library(readr)
read_csv("x,y\n123,\"4,567\"", locale = locale(grouping_mark = ","))

## # A tibble: 1 x 2
##       x     y
##   <dbl> <dbl>
## 1   123  4567

A thousands option is available in the python pandas package.

import pandas as pd
pd.read_csv(file, thousands = ",")

R Read Csv Thousands Separator