Learning Scientific Programming with Python (2nd edition)
Chapter 2: The Core Python Language I
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Examples
- E2.1: Numbers in the Python shell
- E2.2: Simple mathematical expressions
- E2.3: Heron's formula
- E2.4: Python's type and id built-ins
- E2.5: The return values of logic expressions
- E2.6: The "is not" operator
- E2.7: Integer object identity gotcha
- E2.8: String concatenation with + and *
- E2.9: String escaping
- E2.10: Unicode
- E2.11: String slicing
- E2.12: String striding
- E2.13: String methods
- E2.14: A simple text table using Python strings
- E2.15: String representation of integers with comma-separated thousands
- E2.16: Using a Python list as a stack
- E2.17: Splitting a string
- E2.18: Assigning multiple variables in one statement
- E2.19: The string join method
- E2.20: The Fibonacci sequence
- E2.21: The Gregorian calendar
- E2.22: Euclid's algorithm for finding the gcd of a number
- E2.23: A simple "turtle"
- E2.24: Writing numbers to a file
- E2.25: Reading numbers from a file
- E2.26: Assigning a variable name to a function
- E2.27: Default arguments to functions
- E2.28: Function Scope
- E2.29: The Lazy Caterer's sequence
- E2.30: The Tower of Hanoi
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Questions
- Q2.2.4: Complex numbers: $i^i$
- Q2.2.7: Deducing the top-face value of a die
- Q2.2.8: Paper folding
- Q2.2.10: Exponentiation gotcha
- Q2.3.1: String slicing
- Q2.3.2: Determine if a string is a palindrome
- Q2.3.5: String comparison gotcha
- Q2.4.2: Using a list to represent a polynomial
- Q2.4.3: Ranking a list
- Q2.4.4: The Madhava series
- Q2.4.5: any(x) and not all(x)
- Q2.4.6: zip and its inverse
- Q2.4.7: Sorting one list based on items in another
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Problems
- P2.2.1: The XOR operator
- P2.2.2: Some fun with the math module:
- P2.2.3: The sign function
- P2.2.4: Estimating the surface area of the Earth
- P2.3.1: GC-content of a nucleotide sequence
- P2.3.2: String formatting and physical constants
- P2.3.3: Formatting a matrix
- P2.3.4: Planet symbols in Unicode
- P2.4.1: Product of all but one integers in a list
- P2.4.2: The Hamming distance between strings
- P2.4.3: $\pi$ read aloud
- P2.4.4: Pascal's triangle #1
- P2.4.5: DNA codons
- P2.4.6: The double factorial function
- P2.4.7: Benford's Law
- P2.5.1: Pascal's triangle #2
- P2.5.2: The iterative weak acid approximation
- P2.5.3: The Luhn algorithm
- P2.5.4: Hero's method for computing a square root
- P2.5.5: Determining tomorrow's date
- P2.5.6: de Polignac's formula
- P2.5.7: The Hailstone Sequence
- P2.5.8: The Sieve of Eratosthenes
- P2.5.9: Euler's totient function
- P2.5.10: Monte Carlo approximation of $\pi$
- P2.5.11: Jumbling the letters in each word of a sentence
- P2.5.12: Electronic configurations
- P2.6.1: Analysing redwood species data
- P2.6.2: Censoring a text
- P2.6.3: Earth Similarity Index
- P2.6.4: Manipulating a two-dimensional array
- P2.7.1: Does a Scrabble word fit?
- P2.7.2: A little number problem
- P2.7.3: Vector products
- P2.7.4: Volume and surface area of a right regular pyramid
- P2.7.5: Range and height of a projectile
- P2.7.6: An integral of sine and cosine products
- P2.7.7: Determine if a string is a palindrome using recursion
- P2.7.8: Tetration