Python 在哪里添加for循环?股票交易
我是python新手,我还在学习。这花了我几个小时,但我知道如何做的功能,但我有一个困难的时间让用户输入多少他们想输入。输出只工作一次,我确信这是因为for循环被分为两个函数,但我似乎无法确定for循环是否只进入加载,如果是,会影响def calc(): 在for循环中:Python 在哪里添加for循环?股票交易,python,Python,我是python新手,我还在学习。这花了我几个小时,但我知道如何做的功能,但我有一个困难的时间让用户输入多少他们想输入。输出只工作一次,我确信这是因为for循环被分为两个函数,但我似乎无法确定for循环是否只进入加载,如果是,会影响def calc(): 在for循环中: for d in range(num_stucks): #todo prnt(a, b, c, d, e, f) 因为当您运行一次循环时,您将返回值,因此它将中断循环。在for循环中: for d
for d in range(num_stucks):
#todo
prnt(a, b, c, d, e, f)
因为当您运行一次循环时,您将返回值,因此它将中断循环。在for循环中:
for d in range(num_stucks):
#todo
prnt(a, b, c, d, e, f)
因为当您运行一次循环时,会返回值,因此它会中断循环。问题在于您在
load
函数的for
循环中应用的return
语句
把它带到圈外。若要调用其他函数,请在循环内调用它们。就像在您的例子中,调用call
函数(您在main
中调用)而不是返回语句
def main():
num_stocks,name,numsh,pp,sp,comm=load()
def load():
#load inputs
num_stocks=int(input("How many stocks do you want processed?"))
for i in range (num_stocks):
print("Stock number",i+1)
print(".....................")
name=input("Enter stock name:\n")
numsh=float(input("Number of Shares:\n"))
pp=float(input("Enter Purchase Price:\n"))
sp=float(input("Enter Selling Price:\n"))
comm=float(input("Enter Commission:\n"))
print("Stock Results",end='')
print("..................")
calc(num_stocks,name,numsh,pp,sp,comm)
def calc(num_stocks,name,numsh,pp,sp,comm):
#calculations
for d in range (num_stocks):
Amtpaid=numsh*pp
bycomm=Amtpaid*comm
stocksold=numsh*sp
scomm=stocksold*comm
profit=(Amtpaid+comm)-(scomm-comm)
prnt(Amtpaid,bycomm,stocksold,scomm,profit)
def prnt(Amtpaid,bycomm,stocksold,scomm,profit):
#print outputs
print("Amount paid for stock:$",format(Amtpaid,',.2f'))
print("Commision paid on the purchase:$",format(bycomm,',.2f'))
print("Amount the stock sold for:$:",format(stocksold,',.2f'))
print("Commission paid on the sale:$",format(scomm,',.2f'))
print("Profit:$",format(profit,',.2f'))
print("\n")
main()
这就是解决方案。问题在于您在
load
函数中的for
循环中应用的return
语句
把它带到圈外。若要调用其他函数,请在循环内调用它们。就像在您的例子中,调用call
函数(您在main
中调用)而不是返回语句
def main():
num_stocks,name,numsh,pp,sp,comm=load()
def load():
#load inputs
num_stocks=int(input("How many stocks do you want processed?"))
for i in range (num_stocks):
print("Stock number",i+1)
print(".....................")
name=input("Enter stock name:\n")
numsh=float(input("Number of Shares:\n"))
pp=float(input("Enter Purchase Price:\n"))
sp=float(input("Enter Selling Price:\n"))
comm=float(input("Enter Commission:\n"))
print("Stock Results",end='')
print("..................")
calc(num_stocks,name,numsh,pp,sp,comm)
def calc(num_stocks,name,numsh,pp,sp,comm):
#calculations
for d in range (num_stocks):
Amtpaid=numsh*pp
bycomm=Amtpaid*comm
stocksold=numsh*sp
scomm=stocksold*comm
profit=(Amtpaid+comm)-(scomm-comm)
prnt(Amtpaid,bycomm,stocksold,scomm,profit)
def prnt(Amtpaid,bycomm,stocksold,scomm,profit):
#print outputs
print("Amount paid for stock:$",format(Amtpaid,',.2f'))
print("Commision paid on the purchase:$",format(bycomm,',.2f'))
print("Amount the stock sold for:$:",format(stocksold,',.2f'))
print("Commission paid on the sale:$",format(scomm,',.2f'))
print("Profit:$",format(profit,',.2f'))
print("\n")
main()
这就是解决方案。我只需要在
main()
中为循环设置一个,它驱动对您定义的函数的一系列调用来处理每个事务。祝贺你没有使用全局变量,这可能是我看到新手犯的第一个错误
我还强烈建议您开始学习(并遵循)代码并使用更多的空格,这是您的朋友,因为它使您的代码更具可读性
def main():
num_stocks = int(input("How many stocks do you want processed?"))
for stock_number in range(1, num_stocks+1):
name, numsh, pp, sp, comm = load(stock_number)
amtpaid, bycomm, stocksold, scomm, profit = calc(name, numsh, pp, sp,
comm)
prnt(amtpaid, bycomm, stocksold, scomm, profit)
def load(stock_number):
# load inputs for one transaction
print("Stock number", stock_number)
print(".....................")
name = input("Enter stock name:\n")
numsh = float(input("Number of Shares:\n"))
pp = float(input("Enter Purchase Price:\n"))
sp = float(input("Enter Selling Price:\n"))
comm = float(input("Enter Commission:\n"))
print("Stock Results", end='')
print("..................")
return name, numsh, pp, sp, comm
def calc(name, numsh, pp, sp, comm):
# calculations for one transaction
amtpaid = numsh*pp
bycomm = amtpaid*comm
stocksold = numsh*sp
scomm = stocksold*comm
profit = (amtpaid+comm) - (scomm-comm)
return amtpaid, bycomm, stocksold, scomm, profit
def prnt(amtpaid, bycomm, stocksold, scomm, profit):
# print output for one transaction
print("Amount paid for stock: ${:,.2f}".format(amtpaid))
print("Commision paid on the purchase: ${:,.2f}".format(bycomm))
print("Amount the stock sold for: ${:,.2f}".format(stocksold))
print("Commission paid on the sale: ${:,.2f}".format(scomm))
print("Profit: ${:,.2f}".format(profit))
print("\n")
main()
我只需要在main()
中有一个for
循环,它驱动对您定义的函数的一系列调用来处理每个事务。祝贺你没有使用全局变量,这可能是我看到新手犯的第一个错误
我还强烈建议您开始学习(并遵循)代码并使用更多的空格,这是您的朋友,因为它使您的代码更具可读性
def main():
num_stocks = int(input("How many stocks do you want processed?"))
for stock_number in range(1, num_stocks+1):
name, numsh, pp, sp, comm = load(stock_number)
amtpaid, bycomm, stocksold, scomm, profit = calc(name, numsh, pp, sp,
comm)
prnt(amtpaid, bycomm, stocksold, scomm, profit)
def load(stock_number):
# load inputs for one transaction
print("Stock number", stock_number)
print(".....................")
name = input("Enter stock name:\n")
numsh = float(input("Number of Shares:\n"))
pp = float(input("Enter Purchase Price:\n"))
sp = float(input("Enter Selling Price:\n"))
comm = float(input("Enter Commission:\n"))
print("Stock Results", end='')
print("..................")
return name, numsh, pp, sp, comm
def calc(name, numsh, pp, sp, comm):
# calculations for one transaction
amtpaid = numsh*pp
bycomm = amtpaid*comm
stocksold = numsh*sp
scomm = stocksold*comm
profit = (amtpaid+comm) - (scomm-comm)
return amtpaid, bycomm, stocksold, scomm, profit
def prnt(amtpaid, bycomm, stocksold, scomm, profit):
# print output for one transaction
print("Amount paid for stock: ${:,.2f}".format(amtpaid))
print("Commision paid on the purchase: ${:,.2f}".format(bycomm))
print("Amount the stock sold for: ${:,.2f}".format(stocksold))
print("Commission paid on the sale: ${:,.2f}".format(scomm))
print("Profit: ${:,.2f}".format(profit))
print("\n")
main()
你能把代码贴在这里吗?请不要仅仅给出一张图片。仅仅发布代码链接是不好的。你应该直接写在这里。你想先输入所有的输入,然后再打印所有的输出吗;或者您想输入一种股票的输入,打印该股票的输出,输入下一种股票的输入,等等?您能将代码粘贴在这里吗?请不要仅仅给出一张图片。仅仅发布代码链接是不好的。你应该直接写在这里。你想先输入所有的输入,然后再打印所有的输出吗;或者您想输入一种股票的输入,打印该股票的输出,输入下一种股票的输入,等等?那么我必须用打印语句替换返回语句吗?否。使用“Amtpaid,bycomm,stocksell,scomm,price=calc(num_stocks,name,numsh,pp,sp,comm)”而不是打印,那么我是否必须用打印语句替换返回语句?否。使用“Amtpaid,bycomm,stocksell,scomm,profit=calc(num_stocks,name,numsh,pp,sp,comm)”代替打印,因此我不使用return,而是将其替换为以下函数,在这种情况下,我将使用prnt()?这将是for循环的内部还是必须是外部?因此,在本例中,我将用以下函数替换它,而不是执行return,我将使用prnt()?这将是for循环的内部还是必须是外部?