changed the code to let the caller do the printing

Author: karimzakir02

conversions/celsius_to_fahrenheit.py

@@ -5,17 +5,17 @@ def celsius_to_fahrenheit(celsius):
     """
     Convert a given value from Celsius to Fahrenheit
 
-    >>> celsius_to_fahrenheit(-40)
+    >>> print(celsius_to_fahrenheit(-40))
     -40.0
-    >>> celsius_to_fahrenheit(-20)
+    >>> print(celsius_to_fahrenheit(-20))
     -4.0
-    >>> celsius_to_fahrenheit(0)
+    >>> print(celsius_to_fahrenheit(0))
     32.0
-    >>> celsius_to_fahrenheit(20)
+    >>> print(celsius_to_fahrenheit(20))
     68.0
-    >>> celsius_to_fahrenheit(40)
+    >>> print(celsius_to_fahrenheit(40))
     104.0
-    >>> celsius_to_fahrenheit("40")
+    >>> print(celsius_to_fahrenheit("40"))
     Traceback (most recent call last):
     ...
     TypeError: 'str' object cannot be interpreted as integer
@@ -28,7 +28,7 @@ def celsius_to_fahrenheit(celsius):
         raise TypeError("'str' object cannot be interpreted as integer")
 
     fahrenheit = (celsius * 9 / 5) + 32  # value converted from celsius to fahrenheit
-    print(fahrenheit)
+    return fahrenheit
 
 
 if __name__ == "__main__":

conversions/fahrenheit_to_celsius.py

@@ -3,21 +3,21 @@
 
 def fahrenheit_to_celsius(fahrenheit):
     """
-    Convert a given value from Fahrenheit to Celsius and round it to 2 d.p.
+    Convert a given value from Fahrenheit to Celsius and round it to 2 decimal places.
 
-    >>> fahrenheit_to_celsius(0)
+    >>> print(fahrenheit_to_celsius(0))
     -17.78
-    >>> fahrenheit_to_celsius(20)
+    >>> print(fahrenheit_to_celsius(20))
     -6.67
-    >>> fahrenheit_to_celsius(40)
+    >>> print(fahrenheit_to_celsius(40))
     4.44
-    >>> fahrenheit_to_celsius(60)
+    >>> print(fahrenheit_to_celsius(60))
     15.56
-    >>> fahrenheit_to_celsius(80)
+    >>> print(fahrenheit_to_celsius(80))
     26.67
-    >>> fahrenheit_to_celsius(100)
+    >>> print(fahrenheit_to_celsius(100))
     37.78
-    >>> fahrenheit_to_celsius("100")
+    >>> print(fahrenheit_to_celsius("100"))
     Traceback (most recent call last):
     ...
     TypeError: 'str' object cannot be interpreted as integer