Conditionals and recursion

36. Jan is taller than Piet: comparison operators (1)
37. Comparison operators (2)
38. Logical operators
39. Combining logical and comparison operators
40. If it rains, I stay at home: conditional execution
41. Conditional execution, example 1
42. Conditional execution, example
43. If it rains, I stay at home, else I go swimming: alternative execution
44. Alternative execution, example
45. Alternative execution, example
46. If it rains, I stay at home, else if it is also hot I go swimming, else..: chained conditionals
47. Chained conditionals, example
48. Chained conditionals, example
49. User intervention: keyboard input (1)
50. User intervention: keyboard input (2)