seminar-personal/tei2020
N班ゼミ
課題1-Sum from 1 to 100 †
課題2-Sum from a to b # enter a & b from the keyboard †
a = int(input("Enter first number: "))
b = int(input("Enter last number: "))
print("Sum from",a,"to",b,"is",sum(range(a,b+1)))
課題3-Build a calculator †
str_input=input("式は?")
i = str_input.split()
if len(i)==3:
num1=float(i[0])
op =i[1]
num2=float(i[2])
if op=="+":
print(num1+num2)
elif op=="-":
print(num1-num2)
elif op=="*":
print(num1*num2)
elif op=="/":
print(num1/num2)
else:
print("Invalid operator")
else:
print("Input error")