题解 | #简单计算器#
简单计算器
https://www.nowcoder.com/practice/b8f770674ba7468bb0a0efcc2aa3a239
n=input()
if "+"in n:
a=float(n.split("+")[0])
b=float(n.split("+")[1])
print(f"{a:.4f}+{b:.4f}={a+b:.4f}")
elif "-"in n:
a=float(n.split("-")[0])
b=float(n.split("-")[1])
print(f"{a:.4f}-{b:.4f}={a-b:.4f}")
elif "*"in n:
a=float(n.split("*")[0])
b=float(n.split("*")[1])
print(f"{a:.4f}*{b:.4f}={a*b:.4f}")
elif "/" in n:
a=float(n.split("/")[0])
b=float(n.split("/")[1])
if b==0.0:
print("Wrong!Division by zero!")
else:
print(f"{a:.4f}/{b:.4f}={a/b:.4f}")
else:
print("Invalid operation!")
