Remove py

test.py

@@ -1,26 +0,0 @@
-import io
-import sys
-sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
-
-
-def pv_f(c, r, n, when=1):
-    import numpy as np  #导入numpy库
-    c = np.array(c)
-    r = np.array(r)
-    if when == 1:
-        n = np.arange(1, n + 1)
-    else:
-        n = np.arange(0, n)
-    pv = c / (1 + r)**n
-    return pv.sum()
-
-
-c = 20000
-r = 0.05
-n = 5
-#调用前文定义的函数pv_f(c,r,n,when=1)
-pv1 = pv_f(c, r, n, when=1)
-print("普通年金现值（年末）：%.2f" % pv1)
-#如果是预付年金，则when=0
-pv2 = pv_f(c, r, n, when=0)
-print("预付年金现值（年初）：%.2f" % pv2)