[英]Python 3, 5/2 when importing from module gives 2 and not 2.5
我在python 3中制作了一個計算器程序,並且已將該程序拆分為模塊。 我在一個模塊中做了一個減法函數,該模塊只取兩個數字並用法線/運算符除。 但是,它似乎像/從python 2和5/2一樣給了我2,而不是2.5。 但是,我嘗試制作一個新文件,其中所有文件都是print(5/2),這給了我2.5。 我嘗試重新安裝python無濟於事。 我有最新版本(3.4.3)。 我搞砸了還是這是一個錯誤?
計算器:
import operation
import formula
import time
print("\n")
run = True
while run:
try:
print("1: Addittion")
print("2: Subtraction")
print("3: Multiplication")
print("4: Division")
print("5: Advanced")
print("6: Quit")
print("\n")
choice = int(input("What would you like to do? "))
print("\n")
if choice == 1:
operation.add()
elif choice == 2:
operation.subtract()
elif choice == 3:
operation.multiply()
elif choice == 4:
operation.divide()
try:
answer = numberA / numberB
except ZeroDivisionError:
print("ERROR: DIVIDE BY ZERO")
print("\n")
else:
print("%d / %d = %d" % (numberA, numberB, answer))
print("\n")
elif choice == 5:
print("1: Arithmetic Sequences")
print("2: Geometric Sequences")
print("3: Pythagorean Theorem")
print("4: Median")
print("5: Go Back")
print("\n")
choice = int(input("What would you like to do? "))
print("\n")
if choice == 1:
formula.arithmetic()
elif choice == 2:
formula.geometric()
elif choice == 3:
formula.pythagorean()
elif choice == 4:
operation.median()
elif choice == 5:
pass
else:
print("ERROR: PLEASE ENTER A VALID OPTION (1-5)")
print("\n")
elif choice == 6:
pass
time.sleep(3)
run = False
else:
print("ERROR: PLEASE ENTER A VALID OPTION (1-6)")
print("\n")
except ValueError:
print("\n")
print("ERROR: PLEASE ONLY USE NUMBERS")
print("\n")
模塊:
def divide():
numberA = int(input("What is the dividend? "))
numberB = int(input("What is the divisor? "))
print("\n")
try:
answer = numberA / numberB
except ZeroDivisionError:
print("ERROR: DIVIDE BY ZERO")
print("\n")
else:
print("%d / %d = %d" % (numberA, numberB, answer))
print("\n")
注意:該模塊中實際上還有其他等式(-,x和+),但我沒有包括它們,因為我認為您不需要它們。 告訴我你是否想看他們
您使用整數說明符進行格式化。 請嘗試使用此方法。
print('{} / {} = {}'.format(numberA, numberB, answer))
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