Swimming is one of my favorite hobbies. It's when you self propel through water.
I love to swim, but I don't know any of the proper swimming strokes.  How many swimming strokes are there?
Competitive swimming includes the butterfly stroke, freestyle stroke, breastroke, and individual medley.
Do they have swimming like that in the Olympics?
Swimming (sport)
Swimming is an individual or team sport that requires the use of one's entire body to move through water. The sport takes place in pools or open water (e.g., in a sea or lake). Competitive swimming is one of the most popular Olympic sports, with varied distance events in butterfly, backstroke, breaststroke, freestyle, and individual medley. In addition to these individual events, four swimmers can take part in either a freestyle or medley relay. A medley relay consists of four swimmers
Medley swimming
Medley is a combination of four different swimming styles—butterfly, backstroke, breaststroke, and freestyle—into one race. This race is either swum by one swimmer as individual medley (IM) or by four swimmers as a medley relay.
Individual medley.
Individual medley consists of a single swimmer swimming equal distances of four different strokes within one race.
Individual medley Stroke order.
Individual medley consists of four strokes. The swimmer will swim one quarter of the race in each style, in a