get first column of dataframe pandas code example

Example 1: get only first 10 columns pandas

df.iloc[:, : 50]

Example 2: make first row column names pandas

new_header = df.iloc[0] #grab the first row for the header
df = df[1:] #take the data less the header row
df.columns = new_header #set the header row as the df header

Example 3: pandas print first column

df = pd.DataFrame({"Letters": ["a", "b", "c"], "Numbers": [1, 2, 3]})
first_column = df.iloc[:, 0]

Example 4: make first row column names pandas

df.rename(columns=df.iloc[0])

Example 5: make first row column names pandas

In [24]: df.drop(df.index[1])
Out[24]: 
1 foo bar baz
0   1   2   3
2   4   5   6