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multi_calculator.py
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multi_calculator.py
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import operator
import sys
ops = {'+': operator.add,
'-': operator.sub,
'*': operator.pow,
'/': operator.floordiv}
def calc2():
while True:
try:
a = int(input("What is your first number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your first number is: {a}')
break
op = input("Please input your operator")
if not op in ops:
print('it not a valid operator')
sys.exit(1)
while True:
try:
b = int(input("What is your second number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your second number is: {b}')
break
if(op=='/' and b==0):
print("YOU CAN'T DIVIDE BY ZERO!!!")
while True:
try:
b = int(input("What is your second number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your second number is: {b}')
break
print("The answer is", ops[op](a,b))
else:
print("The answer is", ops[op](a,b))
def calc3():
while True:
try:
a = int(input("What is your first number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your first number is: {a}')
break
op = input("Please input your first operator")
if not op in ops:
print('it not a valid operator')
sys.exit(1)
while True:
try:
b = int(input("What is your second number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your second number is: {b}')
break
if(op=='/' and b==0):
print("YOU CAN'T DIVIDE BY ZERO!!!")
while True:
try:
b = int(input("What is your second number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your second number is: {b}')
break
op2 = input("Please input your second operator")
if not op2 in ops:
print('it not a valid operator')
sys.exit(1)
while True:
try:
c = int(input("What is your third number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your third number is: {c}')
break
if(op2=='/' and c==0):
print("YOU CAN'T DIVIDE BY ZERO!!!")
while True:
try:
c = int(input("What is your third number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your third number is: {c}')
break
firt_solve = ops[op](a,b)
print("The answer is", ops[op2](firt_solve,c))
else:
firt_solve = ops[op](a,b)
print("The answer is", ops[op2](firt_solve,c))
else:
op2 = input("Please input your second operator")
if not op2 in ops:
print('it not a valid operator')
sys.exit(1)
while True:
try:
c = int(input("What is your third number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your third number is: {c}')
break
if(op2=='/' and c==0):
print("YOU CAN'T DIVIDE BY ZERO!!!")
while True:
try:
c = int(input("What is your third number? "))
except ValueError:
print("Please, enter a valid integer")
continue
else:
print(f'Your third number is: {c}')
break
firt_solve = ops[op](a,b)
print("The answer is", ops[op2](firt_solve,c))
else:
firt_solve = ops[op](a,b)
print("The answer is", ops[op2](firt_solve,c))
print("Select Caclculation.")
print("1. Calc2")
print("2. Calc3")
while True:
choice = input("Enter choice(1/2): ")
if choice in ('1', '2'):
if choice == '1':
calc2()
elif choice == '2':
calc3()
next_calculation = input("Let's do next calculation? (Yes/No): ")
if next_calculation == "No":
break
elif next_calculation == "no":
break
elif next_calculation == "N":
break
elif next_calculation == "n":
break
else:
print("Invalid Input")