initial commit of climate analysis code

climate_analysis.py

+import sys
+import temp_conversion
+import signal
+signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
+script = sys.argv[0]
+assert len(sys.argv) == 2, script + ": requires filename"
+filename = sys.argv[1]
+
+climate_data = open(filename, 'r')
+
+for line in climate_data:
+    data = line.split(',')
+
+    if data[0][0] == '#':
+        # don't want to process comment lines, which start with '#'
+        pass
+    else:
+        # extract our max temperature in Fahrenheit - 4th column
+        fahr = float(data[3])
+
+        # don't process invalid temperature readings of -9999
+        if fahr != -9999:
+            celsius = temp_conversion.fahr_to_celsius(fahr)
+            kelvin = temp_conversion.fahr_to_kelvin(fahr)
+
+            print(str(celsius)+", "+str(kelvin))

temp_conversion.py

+"""A library to perform temperature conversions"""
+
+def fahr_to_celsius(fahr):
+    """Convert Fahrenheit to Celsius.
+
+    Uses standard Fahrenheit to Celsius formula
+
+    Arguments:
+    fahr -- the temperature in Fahrenheit
+    """
+    celsius = ((fahr - 32) * (5/9)) 
+    return celsius
+
+def fahr_to_kelvin(fahr):
+    """Convert Fahrenheight to Kelvin.
+
+    Uses standard Fahrenheit to Kelvin formula
+
+    Arguments:
+    fahr -- the temperature in Fahrenheit
+    """
+    kelvin = fahr_to_celsius(fahr) + 273.15
+    return kelvin