Python 3.5.2+ (default, Sep 22 2016, 12:18:14) 
[GCC 6.2.0 20160927] on linux
Type "copyright", "credits" or "license()" for more information.
>>> 
======== RESTART: /home/brent/teaching/150/lectures/S17/functions.py ========
Hello there, CSCI 150!
This is a function.
>>> C_to_F(20)
Traceback (most recent call last):
  File "<pyshell#0>", line 1, in <module>
    C_to_F(20)
  File "/home/brent/teaching/150/lectures/S17/functions.py", line 22, in C_to_F
    print("The temperature in degrees Fahrenheit in " + str(F))
NameError: name 'F' is not defined
>>> 
======== RESTART: /home/brent/teaching/150/lectures/S17/functions.py ========
Hello there, CSCI 150!
This is a function.
>>> C_to_F(20)
The temperature in degrees Fahrenheit in 68.0
>>> C_to_F(37)
The temperature in degrees Fahrenheit in 98.6
>>> C_to_F("thirty-seven")
Traceback (most recent call last):
  File "<pyshell#3>", line 1, in <module>
    C_to_F("thirty-seven")
  File "/home/brent/teaching/150/lectures/S17/functions.py", line 21, in C_to_F
    temp_F = temp_C * 9/5 + 32
TypeError: unsupported operand type(s) for /: 'str' and 'int'
>>> C_to_F(1000)
The temperature in degrees Fahrenheit in 1832.0
>>> C_to_F(-212)
The temperature in degrees Fahrenheit in -349.6
>>> C_to_F(-40)
The temperature in degrees Fahrenheit in -40.0
>>> C_to_F(23 + 8)
The temperature in degrees Fahrenheit in 87.8
>>> C_to_F(3 + 4**2 - math.cos(28))
Traceback (most recent call last):
  File "<pyshell#8>", line 1, in <module>
    C_to_F(3 + 4**2 - math.cos(28))
NameError: name 'math' is not defined
>>> import math
>>> C_to_F(3 + 4**2 - math.cos(28))
The temperature in degrees Fahrenheit in 67.93269055936442
>>> temp_F
Traceback (most recent call last):
  File "<pyshell#11>", line 1, in <module>
    temp_F
NameError: name 'temp_F' is not defined
>>> temp_C
Traceback (most recent call last):
  File "<pyshell#12>", line 1, in <module>
    temp_C
NameError: name 'temp_C' is not defined
>>> temp_F = 1000000
>>> C_to_F(30)
The temperature in degrees Fahrenheit in 86.0
>>> temp_F
1000000
>>> 
======== RESTART: /home/brent/teaching/150/lectures/S17/functions.py ========
Hello there, CSCI 150!
This is a function.
The temperature in degrees Fahrenheit in 98.6
>>> C_to_F(37)
98.6
>>> C_to_F(37) + 8
106.6
>>> temp_F = C_to_F(37)
>>> temp_F + 8
106.6
>>>