df <- data.frame(
name = c("Player A", "Player B"),
age = c("21", "23"),
market_value_est = c("€500k", "€750k"),
club = c("Club A", "Club B"),
league_country = c("Indonesia", "Indonesia"),
stringsAsFactors = FALSE
)
clean_player_db(df)
Run the code above in your browser using DataLab