how to set first row as column names in pandas code example

Example 1: first row as column df

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

Example 2: make first row columns 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: promote a row in panda dataframe to header

df.columns = df.iloc[0]
df = df[1:]

Example 4: 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