How many rows were removed from the dataset after eliminating entries with missing TotalCharges values?

How many rows were removed from the dataset after eliminating entries with missing TotalCharges values?: a task in SmolDataEnvs-harbor-train-sandbox: 📊 SmolDataEnvs: Harbor (train) (Harbor dataset). Files (in /home/user/input, no subfolders): - WA Fn-UseC -Telco-Customer-Churn.csv

The task

Files (in /home/user/input, no subfolders): - WA_Fn-UseC_-Telco-Customer-Churn.csv

Part of ybelkada/SmolDataEnvs-harbor-train-sandbox.