how to iterate through pandas format python code example

Example 1: pandas loop through rows

for index, row in df.iterrows():
    print(row['c1'], row['c2'])

Output: 
   10 100
   11 110
   12 120

Example 2: iterrows pd

for index, row in df.iterrows():
    print(row['c1'], row['c2'])

Example 3: iterrrows

for index, row in flights.head(n=2).iterrows():
     print(index, row)