Celsius to Fahrenheit Conversions

conversions/celsius_to_fahrenheit.py

@@ -1,34 +1,28 @@
 """ Convert temperature from Celsius to Fahrenheit """
 
 
-def celsius_to_fahrenheit(celsius):
+def celsius_to_fahrenheit(celsius: float) -> float:
     """
-    Convert a given value from Celsius to Fahrenheit
+    Convert a given value from Celsius to Fahrenheit and round it to 2 decimal places.
 
-    >>> 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("celsius"))
     Traceback (most recent call last):
     ...
-    TypeError: 'str' object cannot be interpreted as integer
+    ValueError: could not convert string to float: 'celsius'
     """
 
-    if type(celsius) == str:
-        """
-        Check whether given value is string and raise Type Error
-        """
-        raise TypeError("'str' object cannot be interpreted as integer")
-
-    fahrenheit = (celsius * 9 / 5) + 32  # value converted from celsius to fahrenheit
-    print(fahrenheit)
+    celsius = float(celsius)
+    return round((celsius * 9 / 5) + 32, 2)
 
 
 if __name__ == "__main__":

conversions/fahrenheit_to_celsius.py

@@ -3,31 +3,26 @@
 
 def fahrenheit_to_celsius(fahrenheit: float) -> float:
     """
-    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("fahrenheit"))
     Traceback (most recent call last):
     ...
-    TypeError: 'str' object cannot be interpreted as integer
+    ValueError: could not convert string to float: 'fahrenheit'
     """
-    if type(fahrenheit) == str:
-        """
-        Check whether given value is string and raise Type Error
-        """
-        raise TypeError("'str' object cannot be interpreted as integer")
-
+    fahrenheit = float(fahrenheit)
     return round((fahrenheit - 32) * 5 / 9, 2)