It is marvelous to have input files where the information is well formed; that is, the number of columns and the type of its data is precise, all rows follow the same pattern, and so on. However, it is common to find input files where the information has little or no structure, or the structure doesn't follow the matrix (n rows by m columns) you expect. In this section you will learn how to deal with such files.
Argentina
Australia
Austria
Belgium
Brazil
Bulgaria
Canada
Chile
Colombia
Cyprus
Czechia
Denmark
Ecuador
Egypt
Estonia
Finland
France
Germany
Great Britain
Greece
Hungary
India
Indonesia
Ireland
Italy
Japan
Latvia
Lithuania
Luxembourg
Malaysia
Malta
Mexico
Netherlands
New Zealand
Norway
Philippines
Poland
Portugal
Romania
Russia
Singapore
Slovakia
Slovenia
South Africa
South Korea
Spain
Sweden
Switzerland
Taiwan
Thailand
Turkey
Ukraine
United States