<p>这是一台成熟的计算器。看看是否有帮助:</p>
<pre><code> def multiplication():
num1 = int(input("First #: "))
num2 = int(input("Second #: "))
ans = num1 * num2
print(ans)
def addition():
num1 = int(input("First #: "))
num2 = int(input("Second #: "))
ans = num1 + num2
print(ans)
def subtraction():
num1 = int(input("First #: "))
num2 = int(input("Second #: "))
ans = num1 - num2
print(ans)
def division():
num1 = int(input("First #: "))
num2 = int(input("Second #: "))
ans = num1 / num2
print(ans)
def Help():
print("""Welcome to Calculator P1!!!
Type "x" for multiplication.
Type "+" for addition.
Type "-" for subtraction.
Type "/" for division.""")
while True:
print("Type 'help' for introduction or instructions")
choice = input("Operator: ")
if choice == "x" or choice == "muliplication":
multiplication()
elif choice == "+" or choice == "addition":
addition()
elif choice == "-" or choice == "subtraction":
subtraction()
elif choice == "/" or choice == "division":
division()
elif choice == "help":
Help()
answer = input('Run again? (y/n): ')
if answer == 'n':
break
elif answer == 'y':
continue
else:
print("""Unrecognized Input.
<<<<RESTARTING PROGRAM>>>>""")
continue
</code></pre>