<p>我现在正在学习Python(到目前为止我很喜欢它),并且制作了一个小的华氏/摄氏度转换器。在</p>
<p>这是运行时的输出:</p>
<blockquote>
<p>Please enter the degrees in Fahrenheit or Celsius to convert: 32</p>
<p>32.0 degrees Celsius is 89.6 degrees Fahrenheit.</p>
<p>32.0 degrees Fahrenheit is 0.0 degrees Celsius.</p>
<p>Do you want to calculate again? (y/n):</p>
</blockquote>
<p>这就是我想要的,除非小数后面的数字是0(整数),我想完全去掉.0(即5.0到5)。我想我需要一个if语句来测试它是否等于零,但是我该如何选择这个值呢?在</p>
<p>完整代码:</p>
<pre><code>answer = "ERROR"
def calcfc():
""" Calculates F to C and C to F, prints out,
and asks if user wants to run again """
try:
degrees = float(input("\nPlease enter the degrees in Fahrenheit or Celsius to convert: "))
except Exception:
input("\nEnter a valid number next time. Hit enter to terminate.")
exit()
ftoc = (degrees - 32) * 5 / 9
ctof = (degrees * 9) / 5 + 32
print("\n{} degrees Celsius is {:.1f} degrees Fahrenheit.".format(degrees, ctof))
print("{} degrees Fahrenheit is {:.1f} degrees Celsius.".format(degrees, ftoc))
global answer
answer = input("\n\nDo you want to calculate again? (y/n): ")
calcfc()
# run again?
while answer != "y" and answer != "n":
answer = input("\nPlease enter y for yes or n for no: ")
while answer == "y":
calcfc()
if answer == "n":
exit()
</code></pre>
<pre><code>args = [89.6, 32.0, 5.5, 10.0, 9.1]
for var in args:
if var == int(var):
print int(var) # prints the number without the decimal part
else:
print var
</code></pre>
<p><strong>输出</strong></p>
^{pr2}$