<jupyter_start><jupyter_text>Starter Python NotebookI'm teaching the first day of class today.<jupyter_code>2+2<jupyter_output><empty_output><jupyter_text>Now I know what 2 + 2 is!<jupyter_code>pi = 3.14159<jupyter_output><empty_output><jupyter_text>This is just an approximation of $\pi$.<jupyter_code>pi*pi<jupyter_output><empty_output><jupyter_text>$\int_{-\infty}^\infty e^{-x^2} dx = \sqrt{\pi}$<jupyter_code>S = 0
print(S)
S = 0  # Initializes the value of S to be zero.
for j in range(1001): # j is cycling through 0,1,2,... up to 10
  S = S + (j**5) # The new value of S is the old value of S, plus j.
print(S)  # Prints the current value of S.<jupyter_output><empty_output>
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