3.5.6 Strings 33
3.5.7 Dictionaries 33
3.6 Python if Statements 34
3.7 Loop Constructs 35
3.7.1 The Python for loop 35
3.7.2 The Python continue statement 37
3.7.3 The Python break statement 37
3.7.4 List comprehensions 38
3.7.5 Python while loops 39
3.8 Functions 39
3.8.1 Syntax and scope 40
3.8.2 Positional arguments 43
3.8.3 Keyword arguments 43
3.8.4 Variable number of positional arguments 43
3.8.5 Variable number of keyword arguments 44
3.8.6 Python input/output functions 44
3.8.7 The Python print function 45
3.8.8 Anonymous functions 47
3.9 Introduction to Python Classes 47
3.10 The Structure of Python 50
3.11 Prime Numbers: A Worked Example 51
4
NumPy
55
4.1 One-Dimensional Arrays 57
4.1.1 Ab initio constructors 57
4.1.2 Look-alike constructors 58
4.1.3 Arithmetical operations on vectors 59
4.1.4 Ufuncs 60
4.1.5 Logical operations on vectors 62
4.2 Two-Dimensional Arrays 65
4.2.1 Broadcasting 65
4.2.2 Ab initio constructors 66
4.2.3 Look-alike constructors 68
4.2.4 Operations on arrays and ufuncs 69
4.3 Higher-Dimensional Arrays 69
4.4 Domestic Input and Output 69
4.4.1 Discursive output and input 70
4.4.2 NumPy text output and input 71
4.4.3 NumPy binary output and input 72
4.5 Foreign Input and Output 73
4.5.1 Small amounts of data 73
4.5.2 Large amounts of data 73
4.6 Miscellaneous Ufuncs 74
4.6.1 Maxima and minima 74
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