input: Write a python function to create a DataFrame from a list of country and capital pairs.
  assert create_dataframe([["Afghanistan", "Kabul"], ["Albania", "Tirana"]]).equals(pd.DataFrame([["Afghanistan", "Kabul"], ["Albania", "Tirana"]], columns=["Country", "Capital"]))
  assert create_dataframe([["Australia", "Canberra"], ["Austria", "Vienna"]]).equals(pd.DataFrame([["Australia", "Canberra"], ["Austria", "Vienna"]], columns=["Country", "Capital"]))
  assert create_dataframe([["Argentina", "Buenos Aires"], ["Armenia", "Yerevan"]]).equals(pd.DataFrame([["Argentina", "Buenos Aires"], ["Armenia", "Yerevan"]], columns=["Country", "Capital"]))
output: import pandas as pd
  
  def create_dataframe(pairs):
      return pd.DataFrame(pairs, columns=["Country", "Capital"])