This commit is contained in:
SiHuan 2020-03-02 20:18:54 +08:00
parent da8425942f
commit 5bbd3d8b26

View file

@ -22,7 +22,7 @@ def bc(formula):
def pure(formula): def pure(formula):
while(formula[0] == '(' or (formula[0] == '-' and formula[1] == '-')): while(formula[0] == '(' or (formula[0] == '-' and formula[1] == '-')):
if formula[0] == '(': if formula[0] == '(':
formula == formula[1:] formula = formula[1:]
else: else:
formula = formula[2:] formula = formula[2:]
while(formula[len(formula) - 1] == ')'): while(formula[len(formula) - 1] == ')'):
@ -51,4 +51,4 @@ def cal(f1,f2,flag):
'*':lambda x,y: x*y, '*':lambda x,y: x*y,
'/':lambda x,y: x/y '/':lambda x,y: x/y
} }
return do[flag](f1,f2) return do[flag](f1,f2)