分享代码：（面积计算器3.0）
print("There is Calculator, It's Loading.")
import sys
import time
def Cus_precess(max_tep):
for i in range(1,max_tep):
print ('['+'|'*i+' '*(max_tep-i)+']'+str(int(100/(max_tep-1)*i))+'%'+'\r',end=''+'Loading File:')
time.sleep(0.1)
print ('\n')
def main():
max = 100
Cus_precess(max)
if __name__ == '__main__':
main()
print("Switching from English to Chinese.")
def Cus_precess(max_tep):
for i in range(1,max_tep):
print ('['+'|'*i+' '*(max_tep-i)+']'+str(int(100/(max_tep-1)*i))+'%'+'\r',end=''+'Switching from English to Chinese:')
time.sleep(0.1)
print ('\n')
def main():
max = 100
Cus_precess(max)
if __name__ == '__main__':
main()
print("准备就绪。")
print("你好，这是面积计算器3.1。\n平行四边形/长方形输入1，正方形输入2，三角形输入3，梯形输入4，圆形输入5。")
while True:
a = input("退出输入(TC)\n请输入：")
if a == '1':
q = int(input("长是："))
w = int(input("宽/高是："))
e = q*w
print("面积是：" , e)
elif a == '2':
r =int(input("边长是："))
t = r**2
print("面积是：" , t)
elif a == '3':
y = int(input("底是："))
u = int(input("高是："))
i = y*u/2
print("面积是：" , i)
elif a == '4':
o = int(input("上底是："))
p = int(input("下底是："))
d = int(input("高是："))
s = (o+p)*d/2
print("面积是：" , s)
elif a == '5':
f = 3.1415926535
g = int(input("半径是："))
h = g**2*f
print("面积是：" , h)
print("(精度：派=3.1415926535)")
elif a == 'TC':
exit()
else:
print("无法计算，请再输一次！！！(平行四边形/长方形输入1，正方形输入2，三角形输入3，梯形输入4，圆形输入5,退出计算输入‘TC’)")
