pandas dataframe skip first row code example

Example 1: get column number in dataframe pandas

# PANDAS: get column number from colomn name
dataframe.columns.get_loc("<col_name>")

Example 2: append one row to pandas dataframe

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

Example 3: python pandas apply to one column

df['a'] = df['a'].apply(lambda x: x + 1)