python練習題之簡易計算器
阿新 • • 發佈:2018-12-21
print("簡易計算器:(+-*/,例如1+2)") while True: str=input("請輸入含兩個數的表示式或者Q退出>>:") if(str=="Q"): break else: if("+" in str ): aa=str.split("+") print(aa) a1=int(aa[0]) a2=int(aa[1]) print("表示式",str,"的計算結果是:",a1+a2,"\n") elif ("-" in str ): aa=str.split("-") a1=int(aa[0]) a2=int(aa[1]) print("表示式",str,"的計算結果是:",a1-a2,"\n") elif ("/" in str ): aa=str.split("/") a1=int(aa[0]) a2=int(aa[1]) print("表示式",str,"的計算結果是:",a1/a2,"\n") elif ("*" in str): aa=str.split("*") a1=int(aa[0]) a2=int(aa[1]) print("表示式",str,"的計算結果是:",a1*a2,"\n") else: print("輸入格式不對,請重新輸入!","\n")