[Python] How can I iterate over rows in a Pandas DataFrame?

I have a pandas dataframe, df:

c1 c2
0 10 100
1 11 110
2 12 120


How do I iterate over the rows of this dataframe? For every row, I want to access its elements (values in cells) by the name of the columns. For example:

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


I found a similar question, which suggests using either of these:

• 
  for date, row in df.T.iteritems():
• 
  for row in df.iterrows():

But I do not understand what the row object is and how I can work with it.

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