Answers for "how to add rows to a dataframe"

add rows to dataframe pandas

df = df.append({'a':1, 'b':2}, ignore_index=True)

append one row to pandas dataframe

df = df.append({'index1': value1, 'index2':value2,...}, ignore_index=True)

pandas insert row

df.loc[-1] = [2, 3, 4]  # adding a row
 df.index = df.index + 1  # shifting index
 df = df.sort_index()  # sorting by index