# tempConversion.py
“””Conversion functions between fahrenheit and centrigrade”””
# Functions
def to_centigrade(x):
“””Returns: x converted to centigrade”””
return 5*(x-32)/9.0
def to_fahrenheit(x):
“””Returns: x converted to fahrenheit”””
return 9*x/5.0 + 32
# Constants
FREEZING_C = 0.0 # water freezing temp.(in celsius)
FREEZING_F = 32.0 # water freezing temp.(in fahrenheit)
# programme
import tempConversion
print(tempConversion.to_centigrade(10)) # prefix is used in function call
from tempConversion import to_centigrade
print(to_centigrade(1)) # no prefix needed