cs107-lecture-examples

Example codes used during Harvard CS107 lectures
git clone https://git.0xfab.ch/cs107-lecture-examples.git
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02.py (527B)

      1 #!/usr/bin/env python3
      2 def Complex(r, i):
      3     """
      4     Construct a complex number
      5     Arguments:
      6         r: real part
      7         i: imaginary part
      8     """
      9     return (r, i)
     10 
     11 
     12 # interface with complex numbers
     13 def real(c):
     14     """Get the real part of a complex number c"""
     15     return c[0]
     16 
     17 
     18 def imag(c):
     19     """Get the imaginary part of a complex number c"""
     20     return c[1]
     21 
     22 
     23 def string(c):
     24     """Represent a complex number c as a string"""
     25     return f"{c[0]:e} + i{c[1]:e}"
     26 
     27 
     28 z = Complex(1, 2)
     29 print(real(z), imag(z), string(z))