Answers for "create a new column in python pandas using for loop"

add columns to dataframe r loop

for(i in 1:3) {                                   # Head of for-loop
  new <- rep(i, nrow(data))                       # Create new column
  data[ , ncol(data) + 1] <- new                  # Append new column
  colnames(data)[ncol(data)] <- paste0("new", i)  # Rename column name
}

python loop through column in dataframe

# Iterate over two given columns only from the dataframe
for column in empDfObj[['Name', 'City']]:
   # Select column contents by column name using [] operator
   columnSeriesObj = empDfObj[column]
   print('Colunm Name : ', column)
   print('Column Contents : ', columnSeriesObj.values)